body {
	margin: 0px;
	width: 100%;
	height: 100%;
}

#centraPagina {
	position: absolute;
	width: 992px;
	height: 578px;
	left: 50%;
	margin-left: -500px;
	top: 50%;
	margin-top: -290px;
}
.dcha {
	float: right;
	text-align: right;
}