body {
	margin: 0;
	text-align: center;
	background-color: #D1D9DB;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
}
.contenuto {
	margin: 0px auto;   /*centra negli altri browsers*/
	width: 640px;
	margin-top: 40px;
	padding: 20px;
	background-color: #E4EAEB;
	text-align: left;
	color: #777777;
	border-style: solid;
	border-width: 1px;
}
.dida {
	font-size: 10px;
	font-weight: bold;
	color: black;
}
h1 {
	font-size: 16px;
	font-weight: bold;
	color: #A9B1B3;
}
a, a:active, a:focus, a:link, a:visited {
	color: #2F9ECB;
	font-weight: bold;
	
}
a:hover {
	color: orange;	
}
.footer {
	margin-top: 130px;
	width: 900px;
	background-color: #A8B0B2;
	color: white;
	text-align: center;
	font-size: 10px;
	padding: 4px;
}
td {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 11px;
	color: black;	
}
.chiara {
	background-color: #CBD3D4;
}
.scura {
	background-color: #AAB6B7;
}
.vuota {
	background-color: none;
	width: 50px;
}
caption {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 12px;
	font-weight: bold;
	text-align: left;
	
}