body{
	background-color:#000;
	margin: 0px;
}
#principal {
	text-align: center;
	width: 1000px;
	height: auto;
	margin-right: auto;
	margin-left: auto;
}
#rodape {
	width: auto;
	background-color:#ffcb05;
	clear:both;
	font-family: Arial;
	font-size: 10px;
	color: #000;
	text-align: center;
	margin-top: 20px;
}