.nav {
    height: 1.5em;
    width: 100%;
	min-width: 50em;
    margin: 0 auto;
	padding-bottom: 1em;
    text-align: center;
	background: #000000;
}

.nav ul {
	width: inherit;
    margin: 0;
	padding: 0;
    list-style-type: none; 
    display: inline-block;
}

.nav ul li {
    float: left;
}

.nav a {	    
    height: 2em;
	width:  10em;
    display: block;
    line-height: 2em;	
	text-decoration: none;
	font-family: "Arial";
	font-size: large;
	font-weight: bold;
	color: #FFFFFF;
}

.nav a:hover {
	background-color: #000000;
    color: #FF9900;	
	border-bottom: solid;
	border-bottom-color: #FF9900;
}