#nav li {
float: left; width: 0px; background:#CCC;
}
#nav li a:hover{
background:#000066;
}
#nav li ul {
line-height: 20px; list-style-type: none;text-align:left;
left: -999em; width: 55px; position: absolute;
}
#nav li ul li{
float: left; width: 55px;
background: #F6F6F6;
}
#nav li ul a{
display: block; width: 55px;width: 70px;text-align:center;
}
#nav li ul a:link {
color:#666; text-decoration:none;
}
#nav li ul a:visited {
color:#666;text-decoration:none;
}
#nav li ul a:hover {
color:#F3F3F3;text-decoration:none;font-weight:normal;
background:#C00;
}