只有IE8 FF 才会上下边距重叠,IE6 IE7 则不会,是吗??
于娜 2009-10-04 06:49:22 <!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>
<style>
#my {width:400px; height:400px; border:1px solid #000;}
#my1{width:200px; height:200px; margin:20px;background-color:#eee}
#my2{width:100px; height:100px; margin:10px;background-color:red}
</style>
</head>
<body>
<div id="my">
<div id="my1">
<div id="my2"> </div>
</div>
</div>
</body>
</html>