a:link {
	text-decoration: none;
	color: #000000;
	}
a:visited {
		text-decoration: none;
		color: #000000;
	}
a:hover {
		text-decoration: none;
		color: #FFFFFF;
	}
.cella{
background-image: url(images/sfondo_images.jpg);
background-repeat:no-repeat;
background-position:center;
}