*{
	margin: 0px;
	padding: 0px;
}

body{
	text-align: center;
	background: url(../imagens/back.jpg);
	background-repeat: repeat-y repeat-x;
}

div.principal{
	margin: -295px 0px 0px -430px;
	left: 50%;
	top: 50%;
	width: 831px;
	height: 588px;
	position: absolute;
	border: 3px solid #000;
}