body {
	background-color: #000000;
	margin: 0px auto;
	text-align: center;
}
#contenitore{
	margin: 5px auto;
	height: 50px;
	width: 800px;
}
#logo {
	position: relative;
	height: 50px;
	width: 800px;
	z-index: 1;
}
#logo a {
	display: block;
	height: 50px;
	width: 800px;
	background-image: url(../../immagini/logo-piccolo-nero.gif);
	background-repeat: no-repeat;
	background-position: left;
	background-color: #000000;
	color: #FFFFFF;
	text-decoration: none;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #C00;
	padding-top: 5px;
	padding-bottom: 5px;
}
#logo a span{
	position: relative;
	z-index: -1;
}
#portfolio {
	margin: 0px auto;
	height: 600px;
	width: 800px;
}