<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/licenses/publicdomain/
-->
<html>
<body>
  <div style="position:absolute; width:25px; height:25px;
              background:blue; top:50px; left:50px;"></div>
  <div style="position:absolute; width:25px; height:25px;
              background:blue; top:50px; left:100px;"></div>
  <div style="position:absolute; width:25px; height:25px;
              background:blue; top:100px; left:50px;"></div>
  <div style="position:absolute; width:25px; height:25px;
              background:blue; top:100px; left:100px;"></div>
</body>
</html>