<!DOCTYPE html>

<html lang="en">
<head>
  <style type="text/css" media="screen">

    .container {
      width: 400px;
      height: 100px;
      border: 1px solid black;
      font-size: 50px;
      -webkit-column-count: 2;
      -webkit-column-fill: auto;
      column-count: 2;
      column-fill: auto;
    }

    span {
      font-family: Ahem;
    }
  </style>
  <script src="resources/repaint.js" type="text/javascript"></script>
  <script type="text/javascript">
     function repaintTest()
     {
         document.getElementById('a').innerHTML = 'XXXXXX';
     }
  </script>
</head>
<body onload="runRepaintTest();">
  
  <div class="container">
    &nbsp;<br>
    <span id="a">x</span>
  </div>
</body>
</html>