body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-repeat: repeat;
	background-image: url(images/bkg.gif);
}
#contenitore {
	margin-right: 0px;
	margin-left: -500px;
	margin-top: -307.5px;
	margin-bottom: 0px;
	position: absolute;
	left: 50%;
	top: 50%;
}