.button_email_Serena_Zanardo a {
	display: block;
	width: 170px;
	padding-top: 5px;
	padding-bottom: 8px;
	font: italic normal normal 12px Arial, Helvetica, sans-serif;
;
	color: #000;
	background: url("../images/button_email_Giuliana_Cusino_css.jpg") 0 0 no-repeat;
	text-decoration: none;
	text-align: center;
}
	.button_email_Serena_Zanardo a:hover {	
		background-position: 0 -28px;
		color: #000;
		}
	.button_email_Serena_Zanardo a:active {
		background-position: 0 -56px;
		color:#000;
		}