原文：http://www.360doc.com/content/13/0723/09/8445249_301885130.shtml
<!DOCTYPE HTML >
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
.box { border:1px solid #006699; width:500px; overflow: hidden; }
.box .left { float:left; width:30%; background:red; padding-bottom:3000px; margin-bottom:-3000px; }
.box .right { float:right; width:70%; background:green; padding-bottom:3000px; margin-bottom:-3000px; }
</style>
</head>
<body>
<div class="box">
<div class="left">
<h1>wo</h1> <h1>wo</h1> <h1>wo</h1>
</div>
<div class="right">
<h1>wo</h1>
</div>
</div>
</body>
</html>
