<!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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>宽度自适应</title>
<style type="text/css">
<!--
body{margin:0 auto;position:relative;}
#wrapper{ width:100%; margin:0 auto;}
#mainer{ width:100%; float:left;margin-left:-250px; height:300px; }
#sideBar{ float:left;width:250px; height:300px; background:#00FFFF;}
#main{min-width:200px; margin-left:250px; height:300px; background-color:#CC3366;}
-->
</style>
</head>
<body>
<div id="wrapper">
<div id="sideBar">宽度自适应</div>
<div id="mainer">
<div id="main">宽度自适应 宽度自适应</div>
</div>
</div>
</body>
</html>