.top {
	background-attachment: fixed;
	background-image: url(/main/img/top2.jpg);
	background-repeat: no-repeat;
	background-position: left;
}
.lato {
	background-attachment: fixed;
	background-image: url(/main/img/lato8.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.centro {
	background-attachment: fixed;
	background-image: url(/main/img/centro.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}