div
{        
           height: 100px;        
		   width: 100px;        
		   border: 20px solid pink;        
		   margin: 10px;        
		   float: left;        
		   font-size: 20pt;
}
header
{        
           background-color: blue;        
		   font-size: 20pt;        
}
footer
{        
           background-color: blue;        
		   font-size: 20pt;
}
section
{        
           overflow: hidden;
}