.clear{clear:both;}
#wrapper{width:1000px;height:800px;}
#header{width:100%;height:100px;background:#002626;}
#content{}
#content #left{float:left;width:50%;height:400px;background:#80FF00;}
#content #right{float:right;width:50%;height:400px;background:#7AEAD2;}
#footer{width:100%;height:100px;background:#002626;}