<html>
<head>
<style>

#colset {
  -moz-column-count: 3;
}
.a {
  height: 3in;
}
.b {
  height: 24pt;
}
.c {
  height: 336pt;
}
.d {
  position: absolute;
}

</style>
</head>  

<body onload="document.getElementById('a').className = '';">

<div id="colset"><div><div class="a" id="a"></div><div class="b"><div class="c"></div><div class="d"></div></div></div></div>

</body>
</html>