求告知，怎么改

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>混合布局编程挑战</title>

body{ margin:0; padding:0; font-size:30px; color:#fff}

.top{height:50px;background:#ccc;}

.main{height:400px;background:red;margin:0 auto;}

.left{ width:200px;height:400px;position:absolute;left:0;top:100px;background:blue;}

.right{background:#99f;height:400px;margin-left:210px;}

.foot{width:100%;height:50px;background:#F60;clear:both;}

</style>

</head>

<body>

<div class="right">right</div>

</div>

</body>

</html>

cherish丶年华

浏览 1190回答 3

你说2016

什么怎么改？

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