index.html

<section class="the-css-at-table">
  <header style="display: none;">
    <p class="tr">
      <span class="th">Company</span>
      <span class="th">Preprocessor</span>
      <span class="th">Prefixing</span>
      <span class="th"># Source Files</span>
      <span class="th"># Selectors</span>
      <span class="th">Style enforcement</span>
      <span class="th">Notes</span>
    </p>
  </header>
  <div class="tbody">
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://markdotto.com/2014/07/23/githubs-css/">Github</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        SCSS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Custom @mixins
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        100+
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        7,000
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        SCSS-lint, <a href="https://github.com/styleguide/css/">styleguide</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        2 final stylesheets, because of IE selector limit
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://blog.brianlovin.com/buffers-css/">Buffer</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        LESS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Autoprefixer
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        93
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        5328
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        LESS lint
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        2 final stylesheets
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://codepen.io/chriscoyier/blog/codepens-css">CodePen</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        SCSS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Autoprefixer
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        171
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        1186 
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        .editorconfig
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        Asset pipeline
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://dev.ghost.org/css-at-ghost/">Ghost</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        SCSS (libsass)
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Autoprefixer
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        36
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        1609
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        General <a href="https://github.com/TryGhost/Ghost/tree/master/core/client/docs?__hstc=10303082.7eb329db9d3e20426769dec21e7bac28.1420901209049.1420901209049.1420901209049.1&__hssc=10303082.3.1420901209050&__hsfp=2446176540">guidelines</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        <a href="https://github.com/TryGhost/Ghost/tree/master/core/client/assets/sass">Open source</a>
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://mikeaparicio.com/2014/08/10/css-at-groupon/">Groupon</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        Sass (syntax unclear)
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Compass
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        ?
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        ?
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        SMACSS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        <a href="https://speakerdeck.com/peruvianidol/toolstrap-a-css-framework-for-groupon-internal-tools">Toolstrap</a>
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://ianfeather.co.uk/css-at-lonely-planet/">Lonely Planet</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        Sass
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Autoprefixer
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        150+
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        1527
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        <a href="http://rizzo.lonelyplanet.com/styleguide/ui-components/cards">Rizzo</a>, no linting
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        BEM / OOCSS, Normalize.css, SVG icons
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="https://medium.com/@fat/mediums-css-is-actually-pretty-fucking-good-b8e2a6c78b06">Medium</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        LESS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Custom @mixins
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        ?
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        ?
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        <a href="https://gist.github.com/fat/a47b882eb5f84293c4ed">Guidelines</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        No nesting, custom methodology for naming
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
    <p class="spacer">&nbsp;</p>
    <p class="tr">
      <span>
        <span class="title">Company: <br class="no-style-break"></span>
        <a href="http://blog.trello.com/refining-the-way-we-structure-our-css-at-trello/">Trello</a>
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Preprocessor: <br class="no-style-break"></span>
        LESS
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Prefixing: <br class="no-style-break"></span>
        Custom @mixins
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Source files: <br class="no-style-break"></span>
        44
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title"># Selectors: <br class="no-style-break"></span>
        2,426
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Style enforcement: <br class="no-style-break"></span>
        Preprocessor
      </span><br class="no-style-break"><br class="no-style-break">
      <span>
        <span class="title">Notes: <br class="no-style-break"></span>
        1 final stylesheet, namespacing
      </span><br class="no-style-break"><br class="no-style-break">
    </p>
  </div>
</section>

style.css

body {
  padding: 10px;
  background-color: #3F4258;
  font-family: 'Source Sans Pro',sans-serif;
}

section.the-css-at-table {
  display: table;
  border-collapse: collapse;
  margin: 0 0 20px 0;
  header {
    display: table-header-group !important;
  }
  .tbody {
    display: table-row-group;
  }
  .tr {
    display: table-row;
    > span {
      display: table-cell;
      padding: 10px;
      border: 1px solid #E6E7F1;
      text-align: left;
    }
  }
  .tr:nth-child(odd) {
    background-color: #F6F7FA;
  }
  .tr:nth-child(even) {
    background-color: white;
  }
  .th {
    background: #798299;
    border-color: darken(#798299, 10%);
    color: white;
  }
  .title {
    display: none;
  }
  .no-style-break {
    display: none;
  }
  .spacer {
    display: none;
  }
  @media (max-width: 700px) {
    display: block;
    header {
      display: none !important;
    }
    .tbody {
      display: block;
    }
    .tr {
      display: block;
      margin: 0 0 20px 0;
      > span {
        display: block;
      }
    }
    .tr > span::before {
      display: inline-block;
      width: 33%;
      margin-right: 10px;
      font-weight: bold;
    }
    .title {
      display: inline-block;
      width: 30%;
      font-weight: bold;
    }
  }
}

The CSS at... Info.markdown

The CSS at... Info

A Pen by Chris Coyier on CodePen.

License.