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

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

.main{height:300px;background:red;}

.left{width:200px; height:300px; background:blue;}

.right{height:300px; background:#9c9;margin-left:210px;}

.foot{height:50px;background:orange;}