[Solved] Centre the nav bar

Try this: http://jsfiddle.net/RZ3ES/

nav {
    padding:12px 0 0 0;
    overflow: auto;
    text-align: center;
}

nav ul {
    display: inline-block;
    margin: 0 auto;
}

nav ul li {
    list-style-type: none;
    float: left;
}