body{
	margin:auto;
	background:#ddd;
}
h2 {
	font-family: "arial";
	font-size: 22px;
}
div {
	border-width: 0px;
	border-style: solid;
}
#logo {
	margin-left:auto;
	margin-right:auto;
	width:90%;
	margin-top:130px;
	overflow:hidden;
}

#menu{
	padding-top: 8px;
	height:48px;
	overflow:hidden;
	vertical-align: medium;
	background-image: url('fondo.jpg');
	font-family: "arial";
	font-size: 10pt;
	color: black;
}

#menu a:link {
    color: blue;
}

/* visited link */
#menu a:visited {
    color: blue;

}

/* mouse over link */
#menu a:hover {
	margin:0;
	font-size: 18px;
	font-weight:700;
}

/* selected link */
#menu a:active {
    color: blue;
}

#marco{
	position:absolute;
	top:0px;
	left:0px;
	width:100%;
	height:100%;
	background-color: grey;
/*	opacity: .9;
	filter:alpha(opacity=90); */
	background-color:rgba(128,128,128,0.9);
}