.header{margin:2% 0% 0%;background:linear-gradient(lightgreen,lightyellow);color:green;text-align:center;padding:10px;}  
.container{width:100%}  
.left{width:25%;float:left;}  
.body{width:45%;float: left;padding:5px;}  
.right{width:25%;float:left;}  
.footer{margin:-8px;clear:both;background:linear-gradient(lightyellow,lightgreen);color:white;text-align:center;padding:2px;}