Deploy from Travis build 27 [ci skip]

Build URL: https://travis-ci.com/gadenbuie/xaringanthemer/builds/150548803
Commit: afe51d40d2

dev/articles/template-variables.html

 <td align="left"><code>code_inline_font_size</code></td>
 <td align="left">Inline Code Text Font Size</td>
 <td align="left">.remark-inline-code</td>
-<td align="left">1rem</td>
+<td align="left">1em</td>
 </tr>
 <tr class="odd">
 <td align="left"><code>inverse_background_color</code></td>
 <td align="left"><code>footnote_font_size</code></td>
 <td align="left">Footnote font size</td>
 <td align="left">.footnote</td>
-<td align="left">0.9rem</td>
+<td align="left">0.9em</td>
 </tr>
 <tr class="even">
 <td align="left"><code>footnote_position_bottom</code></td>
 <td align="left"><code>text_slide_number_font_size</code></td>
 <td align="left">Slide Number Text Font Size</td>
 <td align="left">.remark-slide-number</td>
-<td align="left">0.9rem</td>
+<td align="left">0.9em</td>
 </tr>
 <tr class="odd">
 <td align="left"><code>text_font_google</code></td>

dev/reference/style_duo.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='no'>secondary_color</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>secondary_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='no'>primary_color</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>secondary_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>secondary_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_duo_accent.html

   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='fu'><a href='choose_dark_or_light.html'>choose_dark_or_light</a></span>(<span class='no'>secondary_color</span>, <span class='no'>primary_color</span>,
     <span class='no'>secondary_color</span>),
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>secondary_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='fu'><a href='choose_dark_or_light.html'>choose_dark_or_light</a></span>(<span class='no'>secondary_color</span>, <span class='no'>black_color</span>, <span class='no'>white_color</span>),
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>primary_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>primary_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_duo_accent_inverse.html

   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='fu'><a href='choose_dark_or_light.html'>choose_dark_or_light</a></span>(<span class='no'>secondary_color</span>, <span class='no'>secondary_color</span>,
     <span class='no'>primary_color</span>),
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>secondary_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='fu'><a href='choose_dark_or_light.html'>choose_dark_or_light</a></span>(<span class='no'>secondary_color</span>, <span class='no'>black_color</span>, <span class='no'>white_color</span>),
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>primary_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>primary_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_mono_accent.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='no'>white_color</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>base_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_mono_accent_inverse.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='no'>black_color</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>base_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_mono_dark.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='no'>black_color</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>base_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_mono_light.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='no'>white_color</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='fu'><a href='apply_alpha.html'>apply_alpha</a></span>(<span class='no'>base_color</span>, <span class='fl'>0.6</span>),
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='no'>base_color</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_solarized_dark.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"#268bd240"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='st'>"#6c71c4"</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='st'>"#fdf6e3"</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='st'>"#002b36"</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='st'>"#586e75"</span>,
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='st'>"#93a1a1"</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_solarized_light.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"#268bd240"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='st'>"#6c71c4"</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='st'>"#002b36"</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='st'>"#fdf6e3"</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='st'>"#93a1a1"</span>,
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='st'>"#586e75"</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>

dev/reference/style_xaringan.html

   <span class='kw'>code_highlight_color</span> <span class='kw'>=</span> <span class='st'>"rgba(255,255,0,0.5)"</span>,
   <span class='kw'>code_inline_color</span> <span class='kw'>=</span> <span class='st'>"#000"</span>,
   <span class='kw'>code_inline_background_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1rem"</span>,
+  <span class='kw'>code_inline_font_size</span> <span class='kw'>=</span> <span class='st'>"1em"</span>,
   <span class='kw'>inverse_background_color</span> <span class='kw'>=</span> <span class='st'>"#272822"</span>,
   <span class='kw'>inverse_text_color</span> <span class='kw'>=</span> <span class='st'>"#d6d6d6"</span>,
   <span class='kw'>inverse_text_shadow</span> <span class='kw'>=</span> <span class='fl'>FALSE</span>,
   <span class='kw'>title_slide_background_size</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>title_slide_background_position</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>footnote_color</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
-  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>footnote_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>footnote_position_bottom</span> <span class='kw'>=</span> <span class='st'>"60px"</span>,
   <span class='kw'>left_column_subtle_color</span> <span class='kw'>=</span> <span class='st'>"#777"</span>,
   <span class='kw'>left_column_selected_color</span> <span class='kw'>=</span> <span class='st'>"#000"</span>,
   <span class='kw'>header_background_padding</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>header_background_content_padding_top</span> <span class='kw'>=</span> <span class='st'>"7rem"</span>,
   <span class='kw'>header_background_ignore_classes</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='st'>"normal"</span>, <span class='st'>"inverse"</span>, <span class='st'>"title"</span>, <span class='st'>"middle"</span>, <span class='st'>"bottom"</span>),
-  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9rem"</span>,
+  <span class='kw'>text_slide_number_font_size</span> <span class='kw'>=</span> <span class='st'>"0.9em"</span>,
   <span class='kw'>text_font_google</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
   <span class='kw'>text_font_family</span> <span class='kw'>=</span> <span class='st'>"Noto Sans"</span>,
   <span class='kw'>text_font_weight</span> <span class='kw'>=</span> <span class='st'>"normal"</span>,
     </tr>
     <tr>
       <th>code_inline_font_size</th>
-      <td><p>Inline Code Text Font Size. Defaults to 1rem. Modifies the <code>.remark-inline-code</code> class.</p></td>
+      <td><p>Inline Code Text Font Size. Defaults to 1em. Modifies the <code>.remark-inline-code</code> class.</p></td>
     </tr>
     <tr>
       <th>inverse_background_color</th>
     </tr>
     <tr>
       <th>footnote_font_size</th>
-      <td><p>Footnote font size. Defaults to 0.9rem. Modifies the <code>.footnote</code> class.</p></td>
+      <td><p>Footnote font size. Defaults to 0.9em. Modifies the <code>.footnote</code> class.</p></td>
     </tr>
     <tr>
       <th>footnote_position_bottom</th>
     </tr>
     <tr>
       <th>text_slide_number_font_size</th>
-      <td><p>Slide Number Text Font Size. Defaults to 0.9rem. Modifies the <code>.remark-slide-number</code> class.</p></td>
+      <td><p>Slide Number Text Font Size. Defaults to 0.9em. Modifies the <code>.remark-slide-number</code> class.</p></td>
     </tr>
     <tr>
       <th>text_font_google</th>