<!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>混合布局挑戰</title><style type="text/css">body{margin:0;padding:0;font-size:30px;color:#fff;}.top{height:80px;backgroung:black;}.main{background:#F00;position:relative;}.left{width:200px;height:500px;background:blue;position:absolute;left:0;top:0;}.right{background:#696;height:500px;margin-left:210px;}.foot{height:50px;background:yellow;}</style></head><body><div class="top">top</div><div class="main">? ? <div class="right">right</div>? ? <div class="left">left</div></div><div class="foot">foot</div></body></html>
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