body {
	background-image:url(main_bg.png);
	font-family:Verdana, Geneva, sans-serif;
}

a {
	color: #3366CC;
	text-decoration: none;
}

#header{
	background-image:url(50_blu.png);
	color:#fff;
	text-align:center;
	font-weight:bold;
	margin:10px;
	margin-left:200px;
	padding:10px;
	border-style:dashed;
	border-color:#F70;
	border-width:1px;
	width:550px;
}

#nav {
	background-image:url(50_blu.png);	
	float:left;
	width:160px;
	border-width:1px;
	border-style:dashed;
	border-color:#F70;
	margin:10px;
	padding:10px;
	margin-top:0px;
}

#main_container{
	margin:10px;
	margin-left:200px;
	padding:10px;
	border-style:dashed;
	border-color:#F70;
	border-width:1px;
	width:550px;
}
	

.nav_item {
	background-image:url(50_blu.png);
	padding:5px;
}
	
.nav_item_sub{
	background-image:url(50_blu.png);
	padding:5px;
	margin-left:25px;
}

.nav_item:hover{
	text-decoration:underline;
	background-image:url(50_ora.png)
}

.nav_item_sub:hover{
	text-decoration:underline;
	background-image:url(50_ora.png)
}