<div style="height:30px; background:green;"></div>
  <div>
    <div style="column-span:all; height:40px; background:green;">
      <div style="width:50px; height:40px; background:red;"></div>
    </div>
  </div>
  <div style="margin-top:-70px; height:130px; background:green;"></div>
</div>
