olumns</div>
          <div class="three columns">Three columns</div>
          <div class="three columns">Three columns</div>
          <div class="three columns">Three columns</div>
        </div>
        <div class="row">
          <div class="six columns">Six columns</div>
          <div class="six columns">Six columns</div>
        </div>

</div>

<div class="wrapper skeleton">
  <h1 class="header">CSS Grid Layout Version</h1>
  <div class="box1">Four columns</div>
  <div class="box2">Four columns</div