sass-site/source/layouts/layout.haml

!!!5
%html.no-js(lang='en'){class: data.page.head_classes}
  %head
    %meta(charset='utf-8')
    %meta(http-equiv='X-UA-Compatible' content='IE=edge')
    %title= page_title
    %meta(name='description' content='Syntatically Awesome Style Sheets')
    %meta(name='viewport' content='width=device-width, initial-scale=1')
    %link(rel="alternate" type="application/atom+xml" href="/feed.xml")

    = stylesheet_link_tag 'https://fonts.googleapis.com/css?family=Source+Code+Pro|Source+Sans+Pro:300,400,600|Source+Serif+Pro'
    = stylesheet_link_tag 'https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.css'
    = stylesheet_link_tag 'sass'
    = yield_content :css
    %noscript= stylesheet_link_tag 'noscript'

    -# Old version of analytics (https://developers.google.com/analytics/devguides/collection/gajs/).
    :javascript
      var _gaq = _gaq || [];
      _gaq.push(['_setAccount', 'UA-535380-8']);
      _gaq.push(['_trackPageview']);

      (function() {
        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
      })();

    -# New version of analytics (https://developers.google.com/analytics/devguides/collection/analyticsjs/).
    :javascript
      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');

      ga('create', 'UA-535380-14', 'sass-lang.com');
      ga('send', 'pageview');

    = yield_content :js_head

  %body{class: page_classes}
    /[if lt IE 9]
      %p.browserupgrade
        You are using an
        %strong outdated
        browser. Please
        = link_to 'upgrade your browser', 'https://browsehappy.com/'
        to improve your experience and security.

    .sl-c-alert.sl-c-alert--info
      .sl-l-container
        %p
          %strong Sass just launched a brand new module system.
          = succeed '!' do
            = link_to '/blog/the-module-system-is-launched' do
              Learn all about it on the Sass blog

    .sl-c-pop-stripe

    %header.sl-r-banner(itemtype='http://schema.org/WPHeader' itemscope='itemscope' role='banner')
      .sl-c-alert.sl-c-alert--info
        .sl-l-container
          %p
            Sass just launched a brand new module system.
            = succeed '!' do
              = link_to '/blog/the-module-system-is-launched' do
                Learn all about the module system on the Sass blog

      .sl-c-pop-stripe
      .sl-l-container
        .sl-l-grid.sl-l-grid--full.sl-l-large-grid--fit.sl-l-large-grid--center.sl-l-large-grid--gutters
          %p.sl-l-grid__column.sl-r-banner__brand
            = link_to '/' do
              = image_tag 'logos/logo.svg', alt: 'Sass', height: '48'

          %nav.sl-r-banner__navigation.sl-l-grid__column.sl-l-large-grid.sl-l-large-grid__column--auto-size.sl-c-list-horizontal-wrapper(itemtype='http://schema.org/SiteNavigationElement' itemscope='itemscope' role='navigation' aria-label='Site navigation')
            :markdown
              - [Install](/install)
              - [Learn Sass](/guide)
              - [Blog](/blog)
              - [Documentation](/documentation)
              - [Get Involved](/community)
              - <label class="visuallyhidden" for="s">Search</label><input placeholder='Search' class='search' type='text' id="s" name="s">

    %main{:class => "content", :id => "main-content"}(itemprop='mainContentOfPage' role='main')
      %h1.sl-l-container
        - if current_page.data.h1?
          = Typogruby.improve(current_page.data.h1)

        - elsif current_page.data.title
          = Typogruby.improve(current_page.data.title)


      - section_class = ''

      - unless current_page.data.h1 == 'CSS with superpowers'
        - section_class = 'sl-l-section'

      .sl-l-container.sl-background--white{class: section_class}= yield

      .sl-c-alert
        .sl-l-container.sl-c-list-horizontal-wrapper(aria-labelledby='release-nav')
          %ul.sl-l-grid--justify-center
            %li#release-nav
              Current Releases:

            %li
              %span.release-name<
                = link_to 'Dart Sass', '/dart-sass'
                -# Force space between the two links.
                &#32;
                = link_to impl_version(:dart) || '???', release_url(:dart)

            %li
              %span.release-name<
                = link_to 'LibSass', '/libsass'
                -# Force space between the two links.
                &#32;
                = link_to impl_version(:libsass) || '???', release_url(:libsass)

            %li
              %span.release-name<
                = link_to 'Ruby Sass', '/ruby-sass'
                -# Force space between the link and the coffin.
                %span(role='presentation' aria-label='coffin')
                  &#32; ⚰

            %li.sl-l-grid__column.sl-l-large-grid__column--auto-size
              = link_to 'Implementation Guide', '/implementation'

      - if content_for?(:section_bottom)
        %section.sl-background--white.sl-l-container= Typogruby.improve(yield_content :section_bottom)

    %footer.site-footer.contentinfo(itemtype='http://schema.org/WPFooter' itemscope='itemscope' role='contentinfo')
      .sl-l-container.sl-l-section
        .sl-l-grid.sl-l-grid--full.sl-l-large-grid--fit.sl-l-large-grid--center.sl-l-large-grid--gutters
          .sl-l-grid__column
            :markdown
              Sass &copy; 2006&ndash;#{Date.today.year} [Hampton Catlin][hampton],
              [Natalie Weizenbaum][natalie], [Chris Eppstein][chris],
              [Jina Anne][jina], and numerous contributors. It is available for use
              and modification under the [MIT&nbsp;License][license].

              [hampton]: https://github.com/hcatlin
              [natalie]: https://twitter.com/nex3
              [chris]:   http://chriseppstein.github.io/
              [jina]:    https://www.sushiandrobots.com
              [license]: https://github.com/sass/dart-sass/blob/master/LICENSE

            %nav.sl-c-list-horizontal-wrapper
              :markdown
                - [Sass on GitHub](https://github.com/sass)
                - [Website Source Code](https://github.com/sass/sass-site)
                - [Style Guide](/styleguide)
                - [Community Guidelines](/community-guidelines)

          .sl-l-grid__column.sl-l-large-grid__column--auto-size.sl-l-large-grid--justify-right
            %a.twitter-follow-button(href='https://twitter.com/SassCSS' data-show-count='false' data-size='large')
              Follow @SassCSS

            :javascript
              !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');

    = javascript_include_tag 'https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js'
    :javascript
      docsearch({
        apiKey: 'a409ff5d6a2476083c1a8dd1f8c04ec5',
        indexName: 'sass-lang',
        inputSelector: 'input.search',
        transformData: function(hits) {
          var domain = window.location.origin + "/";
          hits.forEach(function(hit) {
            if (!hit.url.startsWith(domain)) {
              hit.url = hit.url.replace(/^https?:\/\/[^\/]+\//, domain);
            }
          });
          return hits;
        },
        debug: false
      });
    = javascript_include_tag 'sass'
    = yield_content :js_foot