rfix visible-xs"></div>

    <div class="col-xs-6 col-md-4">
      <a class="thumbnail" href="../examples/grid/">
        <img src="../examples/screenshots/grid.jpg" alt="Multiple grids example">
      </a>
      <h4>Grids</h4>
      <p>Multiple examples of grid layouts with all four tiers, nesting, and more.</p>
    </div>
    <div class="col-xs-6 col-md-4">
      <a class="thumbnail" href="../examples/jumbotron/">
        <img src="../examples/screenshots/jumbotron.jpg" alt="Jumbotron example">
      </a>