Paste the HTML below into the <head> section:

<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
<!--  hljs-enhance                                                         -->
<!--  ============                                                         -->
<!--  Adds a little extra stuff to highlight.js                            -->
<!--  Stuff:                                                               -->
<!--     1) Normalizes code indent to first column of display box          -->
<!--     2) Trims whitespace around code                                   -->
<!--     3) Adds border with option for caption (<figcaption>)             -->
<!--     4) Adds hover effect to syntax highlighting                       -->
<!--                                                                       -->
<link rel=stylesheet href=https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8/build/styles/docco.min.css>
<link rel=stylesheet href=https://cdn.jsdelivr.net/npm/hljs-enhance@2.0/hljs-enhance.css>
<script defer src=https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8/build/highlight.min.js></script>
<script defer src=https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8/build/languages/http.min.js></script>
<script defer src=https://cdn.jsdelivr.net/npm/hljs-enhance@2.0/hljs-enhance.js></script>
<!--                                                                       -->
<!--  Style theme listing (and example css filenames):                     -->
<!--     https://highlightjs.org/static/demo                               -->
<!--     default.min.css, dark.min.css, monokai.min.css, sunburst.min.css  -->
<!--     Example conversion of theme name to css filename:                 -->
<!--        "Atom One Dark" ===> atom-one-dark.min.css                     -->
<!--  Usage (simple):                                                      -->
<!--     <pre><code class=language-javascript>                             -->
<!--        console.info('Hello');                                         -->
<!--     </code></pre>                                                     -->
<!--  Usage (with caption):                                                -->
<!--     <figure>                                                          -->
<!--        <figcaption>Hello Message</figcaption>                         -->
<!--        <pre><code class=language-javascript>                          -->
<!--           console.info('Hello');                                      -->
<!--        </code></pre>                                                  -->
<!--     </figure>                                                         -->
<!--  Example languages:                                                   -->
<!--     javascript, html, css, less                                       -->
<!--  For showing HTML code, first encode at:                              -->
<!--     https://www.convertstring.com/EncodeDecode/HtmlEncode             -->
<!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -->
