Deploy from Github Actions build 614987959 [ci skip]

Build URL: https://github.com/gadenbuie/xaringanthemer/actions/runs/614987959
Commit: 2c068446e6

articles/template-variables.html

@@ -594,6 +594,14 @@
 <td align="left"></td>
 </tr>
 <tr class="odd">
+<td align="left"><code>header_font_family_fallback</code></td>
+<td align="left">Header Font Family Fallback</td>
+<td align="left">h1, h2, h3</td>
+<td align="left"></td>
+<td align="left">Georgia, serif</td>
+<td align="left"><code>--header-font-family-fallback</code></td>
+</tr>
+<tr class="even">
 <td align="left"><code>header_font_url</code></td>
 <td align="left">Header Font URL</td>
 <td align="left">
@@ -602,7 +610,7 @@
 <td align="left">xaringanthemer_font_default(“header_font_url”)</td>
 <td align="left"></td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left"><code>code_font_google</code></td>
 <td align="left">Use <code><a href="../reference/google_font.html">google_font()</a></code> to specify code font</td>
 <td align="left">body</td>
@@ -610,7 +618,7 @@
 <td align="left">NULL</td>
 <td align="left"></td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left"><code>code_font_family</code></td>
 <td align="left">Code Font Family</td>
 <td align="left">.remark-code, .remark-inline-code</td>
@@ -618,7 +626,7 @@
 <td align="left">xaringanthemer_font_default(“code_font_family”)</td>
 <td align="left"><code>--code-font-family</code></td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left"><code>code_font_size</code></td>
 <td align="left">Code Text Font Size</td>
 <td align="left">.remark-inline</td>
@@ -626,7 +634,7 @@
 <td align="left">0.9rem</td>
 <td align="left"><code>--code-font-size</code></td>
 </tr>
-<tr class="odd">
+<tr class="even">
 <td align="left"><code>code_font_url</code></td>
 <td align="left">Code Font URL</td>
 <td align="left">
@@ -635,7 +643,7 @@
 <td align="left">xaringanthemer_font_default(“code_font_url”)</td>
 <td align="left"></td>
 </tr>
-<tr class="even">
+<tr class="odd">
 <td align="left"><code>code_font_family_fallback</code></td>
 <td align="left">Code Font Fallback</td>
 <td align="left">.remark-code, .remark-inline-code</td>

news/index.html

@@ -179,6 +179,7 @@
 <ul>
 <li><p>Add <code>inverse_link_color</code> to control color of links on inverse slides (thanks <a href='https://github.com/dmi3kno'>@dmi3kno</a>, <a href='https://github.com/gadenbuie/xaringanthemer/issues/44'>#44</a>)</p></li>
 <li><p>.pull-right[] now clears floats just for its immediate sibling</p></li>
+<li><p>Add <code>header_font_family_fallback</code> to control fallback fonts for headings (thanks <a href='https://github.com/mattwarkentin'>@mattwarkentin</a>, <a href='https://github.com/gadenbuie/xaringanthemer/issues/41'>#41</a>)</p></li>
 </ul>
 </div>
     <div id="xaringanthemer-030" class="section level1">

pkgdown.yml

@@ -7,7 +7,7 @@ articles:
   template-variables: template-variables.html
   themes: themes.html
   xaringanthemer: xaringanthemer.html
-last_built: 2021-03-02T16:09Z
+last_built: 2021-03-02T18:10Z
 urls:
   reference: https://pkg.garrickadenbuie.com/xaringanthemer//reference
   article: https://pkg.garrickadenbuie.com/xaringanthemer//articles

reference/style_duo.html

@@ -239,6 +239,7 @@ colors.</p>
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -657,6 +658,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_duo_accent.html

@@ -244,6 +244,7 @@ accents on select elements (headers, bold text, etc.).</p>
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -680,6 +681,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_duo_accent_inverse.html

@@ -245,6 +245,7 @@ for color accents on select elements (headers, bold text, etc.).</p>
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -682,6 +683,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_mono_accent.html

@@ -239,6 +239,7 @@ accents on select elements (headers, bold text, etc.).</p>
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -663,6 +664,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_mono_accent_inverse.html

@@ -239,6 +239,7 @@ for color accents on select elements (headers, bold text, etc.).</p>
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -664,6 +665,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_mono_dark.html

@@ -237,6 +237,7 @@
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -663,6 +664,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_mono_light.html

@@ -237,6 +237,7 @@
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -663,6 +664,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_solarized_dark.html

@@ -238,6 +238,7 @@ Works well with "<code>highlightStyle: solarized-dark</code>" or
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -640,6 +641,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_solarized_light.html

@@ -238,6 +238,7 @@ Works well with "<code>highlightStyle: solarized-dark</code>" or
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'><a href='xaringanthemer_font_default.html'>xaringanthemer_font_default</a></span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -640,6 +641,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>

reference/style_xaringan.html

@@ -236,6 +236,7 @@
   header_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   header_font_family <span class='op'>=</span> <span class='fu'>xaringanthemer_font_default</span><span class='op'>(</span><span class='st'>"header_font_family"</span><span class='op'>)</span>,
   header_font_weight <span class='op'>=</span> <span class='fu'>xaringanthemer_font_default</span><span class='op'>(</span><span class='st'>"header_font_weight"</span><span class='op'>)</span>,
+  header_font_family_fallback <span class='op'>=</span> <span class='st'>"Georgia, serif"</span>,
   header_font_url <span class='op'>=</span> <span class='fu'>xaringanthemer_font_default</span><span class='op'>(</span><span class='st'>"header_font_url"</span><span class='op'>)</span>,
   code_font_google <span class='op'>=</span> <span class='cn'>NULL</span>,
   code_font_family <span class='op'>=</span> <span class='fu'>xaringanthemer_font_default</span><span class='op'>(</span><span class='st'>"code_font_family"</span><span class='op'>)</span>,
@@ -643,6 +644,14 @@ argument of a style function or in custom CSS.</p></td>
 <code>h1, h2, h3</code> elements. Accepts CSS
 <a href='https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight'>font-weight</a>
 property values.</p></td>
+    </tr>
+    <tr>
+      <th>header_font_family_fallback</th>
+      <td><p>Header Font Family Fallback. Defaults to
+Georgia, serif. Modifies the <code>h1, h2, h3</code> elements. The value of this
+variable is also stored as a CSS variable that can be referenced with
+<code><a href='https://rdrr.io/r/stats/cor.html'>var(--header-font-family-fallback)</a></code> in any argument of a style function
+or in custom CSS.</p></td>
     </tr>
     <tr>
       <th>header_font_url</th>