Add xaringanthemer_font_default()

Avoids note for long argument length and allows for more consistent checking if supplied arguments are default values

NAMESPACE

 export(theme_xaringan_set_defaults)
 export(write_extra_css)
 export(write_xaringan_theme)
+export(xaringanthemer_font_default)
 importFrom(grDevices,col2rgb)
 importFrom(grDevices,hsv)
 importFrom(grDevices,rgb)

R/ggplot2.R

 #' - `header_color`
 #' - `header_font_family`
 #' - `header_font_google`
-#' - `hedaer_font_is_google`
+#' - `header_font_is_google`
 #' - `header_font_url`
 #' - `header_font_weight`
 #' - `header_h1_font_size`

R/style_duo.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_duo_accent.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_duo_accent_inverse.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_font_default.R

+#' @describeIn style_xaringan Default values for font family, wieght, URLs and
+#'   font fallbacks.
+#' @param font_arg A font argument from the \pkg{xaringanthemer} `style_`
+#'   function family.
+#' @export
+xaringanthemer_font_default <- function(font_arg) {
+  x <- switch(
+    font_arg,
+    text_font_family = "Noto Sans",
+    text_font_weight = "normal",
+    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
+    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+    header_font_family = "Cabin",
+    header_font_weight = "600",
+    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+    code_font_family = "Source Code Pro",
+    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
+    code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+    stop("unknown font_arg: ", font_arg)
+  )
+  class(x) <- c("xaringanthemer_default", class(x))
+  x
+}
+
+print.xaringanthemer_default <- function(x) {
+  print(unclass(x))
+}

R/style_mono_accent.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_mono_accent_inverse.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_mono_dark.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_mono_light.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_solarized_dark.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_solarized_light.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,

R/style_xaringan.R

 #' @param text_font_google Use `google_font()` to specify body font. Defaults
 #'   to `NULL`. Modifies the `body` element.
 #' @param text_font_family Body Text Font Family (xaringan default is
-#'   `'Droid Serif'`). Defaults to Noto Sans. Modifies the `body` element. The
-#'   value of this variable is also stored as a CSS variable that can be
-#'   referenced with `var(--text-font-family)` in any argument of a style
-#'   function or in custom CSS.
-#' @param text_font_weight Body Text Font Weight. Defaults to normal. Modifies
-#'   the `body` element. Accepts CSS
+#'   `'Droid Serif'`). Defaults to
+#'   `xaringanthemer_font_default("text_font_family")`. Modifies the `body`
+#'   element. The value of this variable is also stored as a CSS variable that
+#'   can be referenced with `var(--text-font-family)` in any argument of a
+#'   style function or in custom CSS.
+#' @param text_font_weight Body Text Font Weight. Defaults to
+#'   `xaringanthemer_font_default("text_font_weight")`. Modifies the `body`
+#'   element. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param text_font_url Body Text Font URL(s). Defaults to
-#'   https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-#'   Modifies the `@import url()` elements.
+#'   `xaringanthemer_font_default("text_font_url")`. Modifies the
+#'   `@import url()` elements.
 #' @param text_font_family_fallback Body Text Font Fallbacks. Defaults to
-#'   -apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-#'   helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the `body`
-#'   element. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--text-font-family-fallback)` in any argument
-#'   of a style function or in custom CSS.
+#'   `xaringanthemer_font_default("text_font_family_fallback")`. Modifies the
+#'   `body` element. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--text-font-family-fallback)` in
+#'   any argument of a style function or in custom CSS.
 #' @param text_font_base Body Text Base Font (Total Failure Fallback). Defaults
 #'   to sans-serif. Modifies the `body` element. The value of this variable is
 #'   also stored as a CSS variable that can be referenced with
 #' @param header_font_google Use `google_font()` to specify header font.
 #'   Defaults to `NULL`. Modifies the `body` element.
 #' @param header_font_family Header Font Family (xaringan default is
-#'   `'Yanone Kaffeesatz'`). Defaults to Cabin. Modifies the `h1, h2, h3`
-#'   elements. The value of this variable is also stored as a CSS variable that
-#'   can be referenced with `var(--header-font-family)` in any argument of a
-#'   style function or in custom CSS.
-#' @param header_font_weight Header Font Weight. Defaults to 600. Modifies the
+#'   `'Yanone Kaffeesatz'`). Defaults to
+#'   `xaringanthemer_font_default("header_font_family")`. Modifies the
+#'   `h1, h2, h3` elements. The value of this variable is also stored as a CSS
+#'   variable that can be referenced with `var(--header-font-family)` in any
+#'   argument of a style function or in custom CSS.
+#' @param header_font_weight Header Font Weight. Defaults to
+#'   `xaringanthemer_font_default("header_font_weight")`. Modifies the
 #'   `h1, h2, h3` elements. Accepts CSS
 #'   [font-weight](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight)
 #'   property values.
 #' @param header_font_url Header Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-#'   Modifies the `@import url` elements.
+#'   `xaringanthemer_font_default("header_font_url")`. Modifies the
+#'   `@import url` elements.
 #' @param code_font_google Use `google_font()` to specify code font. Defaults
 #'   to `NULL`. Modifies the `body` element.
-#' @param code_font_family Code Font Family. Defaults to Source Code Pro.
-#'   Modifies the `.remark-code, .remark-inline-code` classes. The value of
-#'   this variable is also stored as a CSS variable that can be referenced with
+#' @param code_font_family Code Font Family. Defaults to
+#'   `xaringanthemer_font_default("code_font_family")`. Modifies the
+#'   `.remark-code, .remark-inline-code` classes. The value of this variable is
+#'   also stored as a CSS variable that can be referenced with
 #'   `var(--code-font-family)` in any argument of a style function or in custom
 #'   CSS.
 #' @param code_font_size Code Text Font Size. Defaults to 0.9rem. Modifies the
 #'   variable that can be referenced with `var(--code-font-size)` in any
 #'   argument of a style function or in custom CSS.
 #' @param code_font_url Code Font URL. Defaults to
-#'   https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-#'   Modifies the `@import url` elements.
-#' @param code_font_family_fallback Code Font Fallback. Defaults to Menlo,
-#'   Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+#'   `xaringanthemer_font_default("code_font_url")`. Modifies the `@import url`
+#'   elements.
+#' @param code_font_family_fallback Code Font Fallback. Defaults to
+#'   `xaringanthemer_font_default("code_font_family_fallback")`. Modifies the
 #'   `.remark-code, .remark-inline-code` classes.
 #' @template theme_params
 #' @template style-usage
   header_background_ignore_classes = c('normal', 'inverse', 'title', 'middle', 'bottom'),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
-  text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
-  text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
-  header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
-  code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
   outfile = "xaringan-themer.css"
 ) {
   # DO NOT EDIT - Generated from inst/scripts/generate_theme_functions.R
+  force(text_font_family)
+  force(text_font_weight)
+  force(text_font_url)
+  force(text_font_family_fallback)
+  force(header_font_family)
+  force(header_font_weight)
+  force(header_font_url)
+  force(code_font_family)
+  force(code_font_url)
+  force(code_font_family_fallback)
+  
+  # the defaults are google fonts
+  is_default <- function(type, suffix) {
+    # check if font arg value is from xaringanthemer_font_default
+    var <- paste0(type, "_", suffix)
+    inherits(
+      get(var, envir = parent.frame(2), inherits = FALSE),
+      "xaringanthemer_default"
+    )
+  }
+  for (var in c("text", "header", "code")) {
+    suffixes <- c("font_family", "font_weight", "font_url")
+    if (var == "code") suffixes <- setdiff(suffixes, "font_weight")
+    var_is_google <- all(vapply(suffixes, is_default, logical(1), type = var))
+    var_is_google <- as.integer(var_is_google)
+    r_set_font_is_google <- glue::glue("{var}_font_is_google <- {var_is_google}")
+    eval(parse(text = r_set_font_is_google))
+  }
+  
   # Make sure font names are wrapped in quotes if they have spaces
   f_args <- names(formals(sys.function()))
   for (var in f_args[grepl("font_family$", f_args)]) {
     if (!is.null(var_value)) {
       eval(parse(text = paste0(var, "<-quote_elements_w_spaces(", var, ")")))
     }
-    # set an is_google flag default of FALSE that is possibly overwritten later
-    eval(parse(text = paste0(sub("font_family$", "font_is_google", var), "<-0")))
   }
   
   # Warn if base_font_size isn't absolute
     if (group == "text") {
       text_font_family <- quote_elements_w_spaces(gf$family)
       text_font_weight <- gf$weights %||% "normal"
-      text_font_weight <- substr(text_font_weight, 1, regexpr(",", text_font_weight)[1] - 1)
+      if (grepl(",", text_font_weight)) {
+        # Use first font weight if multiple are imported
+        text_font_weight <- substr(text_font_weight, 1, regexpr(",", text_font_weight)[1] - 1)
+      }
       text_font_url <- gf$url
     } else {
       eval(parse(text = paste0(group, "_font_family <- quote_elements_w_spaces(gf$family)")))
     eval(parse(text = paste0(group, "_font_is_google <- 1")))
   }
   
-  is_default <- function(type, suffix, reference = style_xaringan) {
-    var <- paste0(type, "_", suffix)
-    default_value <- formals(reference)[[var]]
-    if (suffix == "font_family") {
-      default_value <- quote_elements_w_spaces(default_value)
-    }
-  
-    get(var, envir = parent.frame(2), inherits = FALSE) == default_value
-  }
-  
-  # the defaults are google fonts
-  for (var in c("text", "header", "code")) {
-    suffixes <- c("font_family", "font_weight", "font_url")
-    if (var == "code") suffixes <- setdiff(suffixes, "font_weight")
-    var_is_google <- all(vapply(suffixes, is_default, logical(1), type = var))
-    if (var_is_google) {
-      eval(parse(text = paste0(var, "_font_is_google <- 1")))
-    }
-  }
-  
   extra_font_imports <- if (is.null(extra_fonts)) "" else list2fonts(extra_fonts)
   extra_font_imports <- paste(extra_font_imports, collapse = "\n")
   

data-raw/theme_template_variables.R

   , "header_background_ignore_classes", "{c('normal', 'inverse', 'title', 'middle', 'bottom')}", ".remark-slide-content", "Slide Classes Where Header with Background will not be Applied", NA_character_
   , "text_slide_number_font_size", "0.9em", ".remark-slide-number", "Slide Number Text Font Size", NA_character_
   , "text_font_google", "{NULL}", "body", "Use `google_font()` to specify body font", NA_character_
-  , "text_font_family", "Noto Sans", "body", "Body Text Font Family (xaringan default is `'Droid Serif'`)", "--text-font-family"
-  , "text_font_weight", "normal", "body", "Body Text Font Weight", NA_character_
-  , "text_font_url", "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap", "@import url()", "Body Text Font URL(s)", NA_character_
-  , "text_font_family_fallback", "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial", "body", "Body Text Font Fallbacks", "--text-font-family-fallback"
+  , "text_font_family", '{xaringanthemer_font_default("text_font_family")}', "body", "Body Text Font Family (xaringan default is `'Droid Serif'`)", "--text-font-family"
+  , "text_font_weight", '{xaringanthemer_font_default("text_font_weight")}', "body", "Body Text Font Weight", NA_character_
+  , "text_font_url", '{xaringanthemer_font_default("text_font_url")}', "@import url()", "Body Text Font URL(s)", NA_character_
+  , "text_font_family_fallback", '{xaringanthemer_font_default("text_font_family_fallback")}', "body", "Body Text Font Fallbacks", "--text-font-family-fallback"
   , "text_font_base", "sans-serif", "body", "Body Text Base Font (Total Failure Fallback)", "--text-font-base"
   , "header_font_google", "{NULL}", "body", "Use `google_font()` to specify header font", NA_character_
-  , "header_font_family", "Cabin", "h1, h2, h3", "Header Font Family (xaringan default is `'Yanone Kaffeesatz'`)", "--header-font-family"
-  , "header_font_weight", "600", "h1, h2, h3", "Header Font Weight", NA_character_
-  , "header_font_url", "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap", "@import url", "Header Font URL", NA_character_
+  , "header_font_family", '{xaringanthemer_font_default("header_font_family")}', "h1, h2, h3", "Header Font Family (xaringan default is `'Yanone Kaffeesatz'`)", "--header-font-family"
+  , "header_font_weight", '{xaringanthemer_font_default("header_font_weight")}', "h1, h2, h3", "Header Font Weight", NA_character_
+  , "header_font_url", '{xaringanthemer_font_default("header_font_url")}', "@import url", "Header Font URL", NA_character_
   , "code_font_google", "{NULL}", "body", "Use `google_font()` to specify code font", NA_character_
-  , "code_font_family", "Source Code Pro", ".remark-code, .remark-inline-code", "Code Font Family", "--code-font-family"
+  , "code_font_family", '{xaringanthemer_font_default("code_font_family")}', ".remark-code, .remark-inline-code", "Code Font Family", "--code-font-family"
   , "code_font_size", "0.9rem", ".remark-inline", "Code Text Font Size", "--code-font-size"
-  , "code_font_url", "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap", "@import url", "Code Font URL", NA_character_
-  , "code_font_family_fallback", "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console", ".remark-code, .remark-inline-code", "Code Font Fallback", NA_character_
+  , "code_font_url", '{xaringanthemer_font_default("code_font_url")}', "@import url", "Code Font URL", NA_character_
+  , "code_font_family_fallback", '{xaringanthemer_font_default("code_font_family_fallback")}', ".remark-code, .remark-inline-code", "Code Font Fallback", NA_character_
 )
 
 set_default <- function(tv, ..., set_var = "default") {

inst/rmarkdown/templates/xaringanthemer/skeleton/skeleton.Rmd

 
 ---
 
+```{r xaringan-themer, include=FALSE}
+library(xaringanthemer)
+
+```
+
 # Hello World
 
 Install the **xaringan** package from [Github](https://github.com/yihui/xaringan):

inst/scripts/style_xaringan_body.R

+force(text_font_family)
+force(text_font_weight)
+force(text_font_url)
+force(text_font_family_fallback)
+force(header_font_family)
+force(header_font_weight)
+force(header_font_url)
+force(code_font_family)
+force(code_font_url)
+force(code_font_family_fallback)
+
+# the defaults are google fonts
+is_default <- function(type, suffix) {
+  # check if font arg value is from xaringanthemer_font_default
+  var <- paste0(type, "_", suffix)
+  inherits(
+    get(var, envir = parent.frame(2), inherits = FALSE),
+    "xaringanthemer_default"
+  )
+}
+for (var in c("text", "header", "code")) {
+  suffixes <- c("font_family", "font_weight", "font_url")
+  if (var == "code") suffixes <- setdiff(suffixes, "font_weight")
+  var_is_google <- all(vapply(suffixes, is_default, logical(1), type = var))
+  var_is_google <- as.integer(var_is_google)
+  r_set_font_is_google <- glue::glue("{var}_font_is_google <- {var_is_google}")
+  eval(parse(text = r_set_font_is_google))
+}
+
 # Make sure font names are wrapped in quotes if they have spaces
 f_args <- names(formals(sys.function()))
 for (var in f_args[grepl("font_family$", f_args)]) {
   if (!is.null(var_value)) {
     eval(parse(text = paste0(var, "<-quote_elements_w_spaces(", var, ")")))
   }
-  # set an is_google flag default of FALSE that is possibly overwritten later
-  eval(parse(text = paste0(sub("font_family$", "font_is_google", var), "<-0")))
 }
 
 # Warn if base_font_size isn't absolute
   if (group == "text") {
     text_font_family <- quote_elements_w_spaces(gf$family)
     text_font_weight <- gf$weights %||% "normal"
-    text_font_weight <- substr(text_font_weight, 1, regexpr(",", text_font_weight)[1] - 1)
+    if (grepl(",", text_font_weight)) {
+      # Use first font weight if multiple are imported
+      text_font_weight <- substr(text_font_weight, 1, regexpr(",", text_font_weight)[1] - 1)
+    }
     text_font_url <- gf$url
   } else {
     eval(parse(text = paste0(group, "_font_family <- quote_elements_w_spaces(gf$family)")))
   eval(parse(text = paste0(group, "_font_is_google <- 1")))
 }
 
-is_default <- function(type, suffix, reference = style_xaringan) {
-  var <- paste0(type, "_", suffix)
-  default_value <- formals(reference)[[var]]
-  if (suffix == "font_family") {
-    default_value <- quote_elements_w_spaces(default_value)
-  }
-
-  get(var, envir = parent.frame(2), inherits = FALSE) == default_value
-}
-
-# the defaults are google fonts
-for (var in c("text", "header", "code")) {
-  suffixes <- c("font_family", "font_weight", "font_url")
-  if (var == "code") suffixes <- setdiff(suffixes, "font_weight")
-  var_is_google <- all(vapply(suffixes, is_default, logical(1), type = var))
-  if (var_is_google) {
-    eval(parse(text = paste0(var, "_font_is_google <- 1")))
-  }
-}
-
 extra_font_imports <- if (is.null(extra_fonts)) "" else list2fonts(extra_fonts)
 extra_font_imports <- paste(extra_font_imports, collapse = "\n")
 

man/style_duo.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Duotone themes: 
 \code{\link{style_duo_accent_inverse}()},

man/style_duo_accent.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Duotone themes: 
 \code{\link{style_duo_accent_inverse}()},

man/style_duo_accent_inverse.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Duotone themes: 
 \code{\link{style_duo_accent}()},

man/style_mono_accent.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Monotone themes: 
 \code{\link{style_mono_accent_inverse}()},

man/style_mono_accent_inverse.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Monotone themes: 
 \code{\link{style_mono_accent}()},

man/style_mono_dark.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Monotone themes: 
 \code{\link{style_mono_accent_inverse}()},

man/style_mono_light.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_dark}()},
 \code{\link{style_solarized_dark}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Monotone themes: 
 \code{\link{style_mono_accent_inverse}()},

man/style_solarized_dark.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_dark}()},
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_light}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Solarized themes: 
 \code{\link{style_solarized_light}()}

man/style_solarized_light.Rd

   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \code{\link{style_mono_dark}()},
 \code{\link{style_mono_light}()},
 \code{\link{style_solarized_dark}()},
-\code{\link{style_xaringan}()}
+\code{\link{xaringanthemer_font_default}()}
 
 Other Solarized themes: 
 \code{\link{style_solarized_dark}()}

man/style_xaringan.Rd

 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/style_xaringan.R
-\name{style_xaringan}
+% Please edit documentation in R/style_font_default.R, R/style_xaringan.R
+\name{xaringanthemer_font_default}
+\alias{xaringanthemer_font_default}
 \alias{style_xaringan}
 \title{Write A Customized Xaringan Theme}
 \usage{
+xaringanthemer_font_default(font_arg)
+
 style_xaringan(
   text_color = "#000",
   header_color = "#000",
   header_background_ignore_classes = c("normal", "inverse", "title", "middle", "bottom"),
   text_slide_number_font_size = "0.9em",
   text_font_google = NULL,
-  text_font_family = "Noto Sans",
-  text_font_weight = "normal",
- 
-    text_font_url = "https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap",
- 
-    text_font_family_fallback = "-apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue, helvetica, Ubuntu, roboto, noto, segoe ui, arial",
+  text_font_family = xaringanthemer_font_default("text_font_family"),
+  text_font_weight = xaringanthemer_font_default("text_font_weight"),
+  text_font_url = xaringanthemer_font_default("text_font_url"),
+  text_font_family_fallback = xaringanthemer_font_default("text_font_family_fallback"),
   text_font_base = "sans-serif",
   header_font_google = NULL,
-  header_font_family = "Cabin",
-  header_font_weight = "600",
- 
-    header_font_url = "https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap",
+  header_font_family = xaringanthemer_font_default("header_font_family"),
+  header_font_weight = xaringanthemer_font_default("header_font_weight"),
+  header_font_url = xaringanthemer_font_default("header_font_url"),
   code_font_google = NULL,
-  code_font_family = "Source Code Pro",
+  code_font_family = xaringanthemer_font_default("code_font_family"),
   code_font_size = "0.9rem",
- 
-    code_font_url = "https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap",
-  code_font_family_fallback = "Menlo, Consolas, Monaco, Liberation Mono, Lucida Console",
+  code_font_url = xaringanthemer_font_default("code_font_url"),
+  code_font_family_fallback = xaringanthemer_font_default("code_font_family_fallback"),
   colors = NULL,
   extra_css = NULL,
   extra_fonts = NULL,
 )
 }
 \arguments{
+\item{font_arg}{A font argument from the \pkg{xaringanthemer} \code{style_}
+function family.}
+
 \item{text_color}{Text Color. Defaults to #000. Modifies the \code{body} element.
 The value of this variable is also stored as a CSS variable that can be
 referenced with \code{var(--text_color)} in any argument of a style function or
 to \code{NULL}. Modifies the \code{body} element.}
 
 \item{text_font_family}{Body Text Font Family (xaringan default is
-\code{'Droid Serif'}). Defaults to Noto Sans. Modifies the \code{body} element. The
-value of this variable is also stored as a CSS variable that can be
-referenced with \code{var(--text-font-family)} in any argument of a style
-function or in custom CSS.}
+\code{'Droid Serif'}). Defaults to
+\code{xaringanthemer_font_default("text_font_family")}. Modifies the \code{body}
+element. The value of this variable is also stored as a CSS variable that
+can be referenced with \code{var(--text-font-family)} in any argument of a
+style function or in custom CSS.}
 
-\item{text_font_weight}{Body Text Font Weight. Defaults to normal. Modifies
-the \code{body} element. Accepts CSS
+\item{text_font_weight}{Body Text Font Weight. Defaults to
+\code{xaringanthemer_font_default("text_font_weight")}. Modifies the \code{body}
+element. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{text_font_url}{Body Text Font URL(s). Defaults to
-https://fonts.googleapis.com/css?family=Noto+Sans:400,400i,700,700i&display=swap.
-Modifies the \verb{@import url()} elements.}
+\code{xaringanthemer_font_default("text_font_url")}. Modifies the
+\verb{@import url()} elements.}
 
 \item{text_font_family_fallback}{Body Text Font Fallbacks. Defaults to
--apple-system, BlinkMacSystemFont, avenir next, avenir, helvetica neue,
-helvetica, Ubuntu, roboto, noto, segoe ui, arial. Modifies the \code{body}
-element. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--text-font-family-fallback)} in any argument
-of a style function or in custom CSS.}
+\code{xaringanthemer_font_default("text_font_family_fallback")}. Modifies the
+\code{body} element. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--text-font-family-fallback)} in
+any argument of a style function or in custom CSS.}
 
 \item{text_font_base}{Body Text Base Font (Total Failure Fallback). Defaults
 to sans-serif. Modifies the \code{body} element. The value of this variable is
 Defaults to \code{NULL}. Modifies the \code{body} element.}
 
 \item{header_font_family}{Header Font Family (xaringan default is
-\code{'Yanone Kaffeesatz'}). Defaults to Cabin. Modifies the \verb{h1, h2, h3}
-elements. The value of this variable is also stored as a CSS variable that
-can be referenced with \code{var(--header-font-family)} in any argument of a
-style function or in custom CSS.}
+\code{'Yanone Kaffeesatz'}). Defaults to
+\code{xaringanthemer_font_default("header_font_family")}. Modifies the
+\verb{h1, h2, h3} elements. The value of this variable is also stored as a CSS
+variable that can be referenced with \code{var(--header-font-family)} in any
+argument of a style function or in custom CSS.}
 
-\item{header_font_weight}{Header Font Weight. Defaults to 600. Modifies the
+\item{header_font_weight}{Header Font Weight. Defaults to
+\code{xaringanthemer_font_default("header_font_weight")}. Modifies the
 \verb{h1, h2, h3} elements. Accepts CSS
 \href{https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight}{font-weight}
 property values.}
 
 \item{header_font_url}{Header Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Cabin:600,600i&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("header_font_url")}. Modifies the
+\verb{@import url} elements.}
 
 \item{code_font_google}{Use \code{google_font()} to specify code font. Defaults
 to \code{NULL}. Modifies the \code{body} element.}
 
-\item{code_font_family}{Code Font Family. Defaults to Source Code Pro.
-Modifies the \verb{.remark-code, .remark-inline-code} classes. The value of
-this variable is also stored as a CSS variable that can be referenced with
+\item{code_font_family}{Code Font Family. Defaults to
+\code{xaringanthemer_font_default("code_font_family")}. Modifies the
+\verb{.remark-code, .remark-inline-code} classes. The value of this variable is
+also stored as a CSS variable that can be referenced with
 \code{var(--code-font-family)} in any argument of a style function or in custom
 CSS.}
 
 argument of a style function or in custom CSS.}
 
 \item{code_font_url}{Code Font URL. Defaults to
-https://fonts.googleapis.com/css?family=Source+Code+Pro:400,700&display=swap.
-Modifies the \verb{@import url} elements.}
+\code{xaringanthemer_font_default("code_font_url")}. Modifies the \verb{@import url}
+elements.}
 
-\item{code_font_family_fallback}{Code Font Fallback. Defaults to Menlo,
-Consolas, Monaco, Liberation Mono, Lucida Console. Modifies the
+\item{code_font_family_fallback}{Code Font Fallback. Defaults to
+\code{xaringanthemer_font_default("code_font_family_fallback")}. Modifies the
 \verb{.remark-code, .remark-inline-code} classes.}
 
 \item{colors}{A named vector of custom colors. The names of the colors
 \description{
 Creates a customized Xaringan theme CSS file.
 }
+\section{Functions}{
+\itemize{
+\item \code{xaringanthemer_font_default}: Default values for font family, wieght, URLs and
+font fallbacks.
+}}
+
 \section{Usage}{
  To use the styles created by this theme function, make sure
 that you use \code{xaringan-themer.css} as your CSS file in your slides' YAML

man/theme_xaringan_get_value.Rd

 \item \code{header_color}
 \item \code{header_font_family}
 \item \code{header_font_google}
-\item \code{hedaer_font_is_google}
+\item \code{header_font_is_google}
 \item \code{header_font_url}
 \item \code{header_font_weight}
 \item \code{header_h1_font_size}

tests/testthat/css/duo-header_bg.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/duo.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/duo_accent.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/duo_accent_inverse.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/google_fonts.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/mono_accent.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/mono_accent_inverse.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/mono_dark.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/mono_light-header_bg.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/mono_light.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/solarized_dark-header_bg.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/solarized_dark.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/solarized_light.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/css/xaringan.css

 
 body {
   font-family: var(--text-font-family), var(--text-font-family-fallback), var(--text-font-base);
-  font-weight: ;
+  font-weight: normal;
   color: var(--text-color);
 }
 h1, h2, h3 {

tests/testthat/test-ggplot2.R

 })
 
 test_that("register_font() returns the name of the font family if font pkgs are missing", {
+  text_font_family <- xaringanthemer_font_default("text_font_family")
   family_showtext_missing <- testthat::with_mock(
     `xaringanthemer:::requires_package` = function(pkg, ...) pkg != "showtext",
-    register_font(formals(style_xaringan)$text_font_family, google = TRUE)
+    register_font(text_font_family, google = TRUE)
   )
 
-  expect_equal(family_showtext_missing, formals(style_xaringan)$text_font_family)
+  expect_equal(family_showtext_missing, text_font_family)
 
   family_sysfonts_missing <- testthat::with_mock(
     `xaringanthemer:::requires_package` = function(pkg, ...) pkg != "sysfonts",
-    register_font(formals(style_xaringan)$text_font_family, google = TRUE)
+    register_font(text_font_family, google = TRUE)
   )
-  expect_equal(family_sysfonts_missing, formals(style_xaringan)$text_font_family)
+  expect_equal(family_sysfonts_missing, text_font_family)
 })

tests/testthat/test-themes.R

     xaringanthemer:::read_css_vars(xf)
   })
 
-  expect_equal(theme_vars$text_font_family, quote_elements_w_spaces(formals(style_xaringan)$text_font_family))
+  expect_equal(theme_vars$text_font_family,
+               quote_elements_w_spaces(xaringanthemer_font_default("text_font_family")))
   expect_true(theme_vars$text_font_is_google)
-  expect_equal(theme_vars$header_font_family, quote_elements_w_spaces(formals(style_xaringan)$header_font_family))
+  expect_equal(theme_vars$header_font_family,
+               quote_elements_w_spaces(xaringanthemer_font_default("header_font_family")))
   expect_true(theme_vars$header_font_is_google)
 })