body{
	margin:0 auto;
	background:#000000;
	}
	
	
div#principal{
	margin:0 auto;
	width:1024px;
	height:700px;
	background-color:#000000;
	}	
	
div#contato{
	margin:0 auto;
	width:300px;
	height:100px;
	background-color:#000000;
	}