body {
	background-image: url(immagini/sfondoviola.gif); background-repeat: repeat-x; }
#livello1 {
	left:50%;
	top:50px;
	margin-left:-350px;}
a:link {
	color: white }
a:visited {
	color: white }
a:link {
	text-decoration: none }
a:visited {
	text-decoration: none }
a:active {
	text-decoration: none }
a:hover {
	text-decoration: underline; color: white }