.tabella,
.riga,
.colonna { 
	margin: 0;
	padding: 0;
	border: 0
	}
.tabella {
	display:
	table;
	text-align: center;
	height: 50px;
	}
.riga {
	clear: both;
	display: block;
	display: table-row;
	width: 100%
}
.colonna {
	float: left;
	width: 95px;
	display: table-cell;
	height: 50px;
	line-height: 50px;
	background-image: url(immagini/menu_base.png);
	background-repeat: no-repeat;
	background-position: center top;
	}
.current {
	background-image: url(immagini/menu_current.png);
	background-repeat: no-repeat;
	background-position: center top;
	height: 50px;
	width: 95px;
	float: left;
	line-height: 50px;
	color: #005180;
}
.tabella .riga a .colonna {
	color: #333;
}
.tabella .riga a:hover .colonna {
	color: #005180;
}