<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
.shadow
{
width: 500px;
height: 200px;
position: absolute;
top: 200px;
background-color: #eee;
border: #ccc 1px solid;
position: absolute;
-moz-box-shadow: 3px 5px 5px #969696;
-webkit-box-shadow: 3px 5px 5px #969696;
box-shadow: 3px 5px 5px #969696;
filter: progid:DXImageTransform.Microsoft.Shadow(color=‘#969696‘, Direction=135, Strength=5); /*for ie6,7,8*/
}
</style>
</head>
<body>
<div class="shadow"></div>
</body>
</html>
原文：http://www.cnblogs.com/hjlost/p/4766100.html