* {
	margin: 0;
	padding: 0;
}
body {
	background: #008CA5;
}
.sfondo { 
 height: 100%; 
    width: 100%; 
    position: absolute;  
    padding: 0px; 
    z-index: 1; 
} 
.contenuto {
	position: absolute;

	z-index: 2;
	margin: 10% 0 0 0;
	height: 380px;
	width: 100%;
	display: block;
	visibility: visible;

}