nav {
	background: transparent;
	width: 1000px;
	height: 20px;
	margin: 0px auto; 
	padding: 0px;
	font-family: tahoma;
}
nav ul {
    overflow: hidden;
    background-color: transparent;
    margin: 0px; 
	list-style: none; 
	padding: 5px 0px 0px 260px;
}
nav li { 
	float: left; 
	background: inherit;
	margin: 0px 0px 0px 2px;
	padding: 0px; 
}
nav li a, .dropbtn {
    display: inline-block;
    color: white;
    text-decoration: none;
	background: #000055;
	border-bottom: 3px solid #000055;
	padding: 3px 5px;
	font-weight: bold; 
	border-radius: 2px;

	-o-transition: .3s;
	-ms-transition: .3s;
	-moz-transition: .3s;
	-webkit-transition: .3s;
	transition: .3s;
}
nav li a:hover, .dropdown:hover .dropbtn {
	background: white;
	border-bottom: 3px solid #000055;
	color: black; 
	padding: 3px 5px;
	font-weight: bold; 
	text-decoration: none;
}
nav li.dropdown {
    display: inline-block;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 107px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}
.dropdown-content a {
    color: white;
    padding: 3px 5px;
    text-decoration: none;
    display: block;
    text-align: center;
    margin: 1px 0px;
}
.dropdown:hover .dropdown-content {
    display: block;
}

body {
	font-family: tahoma;
	margin-left: 150px;
    margin-right: 150px;
    background: 
    	url('media/vignetta-2013.gif') top left no-repeat fixed, 
    	url('media/bandierasvizzera.jpg') center left no-repeat fixed, 
    	url('media/vignetta-2015.jpg') bottom left no-repeat fixed, 
    	url('media/vignetta-2014.jpg') top right no-repeat fixed,
    	url('media/bandierasvizzera.jpg') center right no-repeat fixed,
    	url('media/vignetta-2016.jpg') bottom right no-repeat fixed;
    background-size: 150px 150px, 150px 150px, 150px 150px, 150px 150px, 150px 150px, 150px 150px;
    background-color: #dddddd;
}
#header {
	background: url(media/road.gif) top center no-repeat;
	margin: 20px auto;
	width: 430px;
	height: 195px;
	color: white;
	border: 3px solid black;
}
#header h1 {
	margin: 0px 15px;
	font-size: 27px;
}
#nav {
	margin: -20px auto;
	width: 506px;
	height: 30px;
	background-color: black;
	color: white;
}
#nav a {
	text-decoration: none;
	color: white;
	vertical-align: middle;
	padding: 35px;
}
#nav a:hover {
	text-decoration: underline;
	color: lightgrey;
}
#auto, #semi, #vign {
	background-color: white;
	color: black;
	margin: 30px 10px;
	padding: 5px;
}
#auto h1, #semi h1, #vign h1, #vign h2 {
	text-align: center;
	margin: 0;
}
#auto h1 img, #semi h1 img {
	vertical-align: middle;
	height: 50px;
	width: 30px;
}
#vign h1 img {
	vertical-align: middle;
	height: 50px;
	width: 100px;
}
#vign a {
	color: black;
	font-weight: bold;
	text-decoration: none;
}
#vign a:hover {
	color: black;
	text-decoration: underline;
}
#footer {
	background-color: black;
	color: white;
	margin: 30px 10px;
	padding: 5px;
	text-align: center;
}