body {
	margin: 0px;
	background: #FFF url(../imgs/bg_teste.gif) no-repeat center top;
}
#conteudo {
	height: 640px;
	width: 1002px;
	margin-top: -320px;
	margin-left: -501px;
	left: 50%;
	top: 50%;
	position: absolute;
}