Änderungen

border-width:0 0 0 1px; border-style:solid; border-color:#C0C0C0;}

ul#menu ul li{ float:none; margin:10px 0 0;}

background-color:#c1c1c1;

background-image: -webkit-gradient(linear, left top, left bottom, from(#c1c1c1), to(#ffffff));