#contenuto {
	padding: 50px;
	-webkit-box-sizing: border-box;
	   -moz-box-sizing: border-box;
	    -ms-box-sizing: border-box;
	     -o-box-sizing: border-box;
	        box-sizing: border-box; 
	background: #FFFFFF;
}

@media only screen and (max-width: 768px){
	#contenuto { padding: 50px 0; }
}