.clear{clear:both;}
body{background:#FF4F4F;}
#wrapper{width:1200px;height:800px;}
#header{width:100%;height:80px;background:#15EAE4;}
#content{}
#content #left{float:left;width:50%;height:500px;background:#5EFD62;}
#content #right{float:right;width:50%;height:500px;background:#5EFD62;}
#footer{width:100%;height:80px;background:#15EAE4;}