.sf_blu {
	background-attachment: fixed;
	background-image: url(images/tab_blu.jpg);
	background-repeat: no-repeat;
	background-position: right bottom;
}
.sf_verde {
	background-image: url(images/tab_verde.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.sf_rosso {
	background-image: url(images/tab_rosso.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
}
.sf_grigio {
	background-image: url(images/tab_grigio.jpg);
	background-repeat: no-repeat;
	background-position: right bottom;
}
.profilo {
	background-image: url(images/profilo.jpg);
	background-repeat: no-repeat;
	background-position: left center;
}
.sf_arancio {
	background-image: url(images/tab_arancio.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}