lass="box2b">Four columns
    <br /> Three rows</div>
  <div class="box3">Four columns</div>
  <div class="box5">Four columns</div>
  <div class="box6">Three columns</div>
  <div class="box7b">One</div>
  <div class="box8b">One</div>
  <div class="box9">Three columns</div>
  <div class="box10">Six columns</div>
  <div class="box11">Six columns</div>
</div>

</body>
</html>
