body{font-family:arial;font-size:13px;}
.clear{clear:both}
#wrapper{width:90%;height:700px;background:blue;border:5px solid;border-radius:10px;}
#header{width:90%;height:50px;background:blue;border:5px solid ;border-radius;}
#content{width:95%;height:490px;background:blue;border:5px solid ;border-radius;}
#content1{width:90%;height:490px;background:blue;float:left;}
#left{width:30%;height:490px;background:blue;float:left;border:5px solid ;border-radius:10px;}
#middle{width:50%;height:490px;background:blue;float:left;border:5px solid ;border-radius:10px;}
.header1{width:90%;height:50px;background:blue;border:5px solid ;border-radius:10px;}
.article{width:90%;height:230px;background:blue;border:5px solid ;border-radius:10px;}
.footer{width:90%;height:50px;background:blue;border:5px solid ;border-radius:10px;}
#right{width:30%;height:490px;background:blue;float:right;border:5px solid ;border-radius:10px;}
#footer{width:90%;height:50px;background:blue;border:5px solid ;border-radius:10px;}