ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
	text-align: center;	
}

li {
    float: left;
}

a:link, a:visited {
    display: block;
    width: 20.5em;
    font-weight: bold;
    color: #FFFFFF;
    background-color: #B3B3B3;
    text-align: center;
    padding: .25em;
    text-decoration: none;
    text-transform: uppercase;
}

a:hover, a:active {
    background-color: #8D8D8D;
}