_layouts/default.html

<!DOCTYPE html>
<html lang="{{ site.lang | default: "en-US" }}">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="theme-color" content="#157878">
    <title>TC39 – Specifying JavaScript.</title>
    <link rel="icon" type="image/png" href="favicon-32x32.png" sizes="32x32" />
    <link rel="icon" type="image/png" href="favicon-16x16.png" sizes="16x16" />
    <link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,600|Source+Sans+Pro:300,400,600" rel="stylesheet">
    <link rel="stylesheet" href="{{ '/assets/css/normalize.css' | relative_url }}">
    <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
    <link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css">
    <script defer src="{{ '/assets/js/main.js?v=' | append: site.github.build_revision | relative_url }}" type="text/javascript"></script>
    <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js" type="text/javascript"></script>
    <script>hljs.initHighlightingOnLoad();</script>
  </head>
  <body class="no-js">
    <main class="main">
    {% include_relative _layouts/page_header.html %}
    <h1 class="page-title">Specifying JavaScript.</h1>
    <section class="main-content">
      {% include intro.html %}
      {% include proposals.html %}
    </section>
    </main>

    <div class="popup">
      <input type="checkbox" id="one" class="hidden" name="ossm">
      <label for="one" class="alert-message">
        <strong> Attention</strong> This site is in <strong>beta</strong>! We are
        looking for feedback. Please add issues to our <a
                    href="https://github.com/tc39/tc39-web-draft/issues" target="_blank">GitHub page</a>!!
        <span class="close">×</span>
      </label>
    </div>
    <img src="https://d3nrsflo8ae6b5.cloudfront.net/1x1.png" alt="pixel" />
  </body>
</html>