<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>
body{ margin:0; padding:0; font-size:30px; color:#fff} .top{width:960px;height:50px; margin:0 auto;background:#ccc;} .main{width:960px;height:300px; margin:0 auto;background:red;} .left{width:200px;height:300px;background:blue;position:absolute; left:0; top:50px} .right{height:300px;margin:0 0 0 210px;background:green;} .foot{width:960px; margin:0 auto; height:40px; background:orange;}