<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style>
.test
{
border:1px solid red;
position:fixed;
bottom:0px;
bottom:0px;
left:0px;
right:0px;
margin:auto auto;
height:50px;
width:200px;
}
</style>
</head>
<body>
<div class="test"></div>
</body>
</html>
