nav ul {

margin:3px;

padding:0;

list-style-type:none;

}
#nav ul li {

display: inline; /*IE 6*/

}
#nav ul li a {

display:block;

background:#fff;

width:100%;

text-decoration:none;

padding:4px/*padding for top, bottom*/ 7px /*padding for left, right*/;

border-bottom:1px solid #eeeeee;

border-top:1px solid #fff;

border-left:5px solid #666;

color:#333333;
}
#nav ul li a:hover {

border-left-color:#99cc00;

color:#fff;

background:#c4c4c4;

}