.HorizMenu .AspNet-Menu-Horizontal
{
    position:relative;
    z-index:100;
}

.HorizMenu .AspNet-Menu /*Tier 1*/
{
    float:left;
    padding-right:10px;
}

.HorizMenu ul.AspNet-Menu ul /*Tier 2*/
{
    visibility:hidden;
    width:9em;

}

.HorizMenu ul.AspNet-Menu ul li /*Tier 2 list items*/
{
    visibility:hidden;
}

.HorizMenu ul.AspNet-Menu li.AspNet-Menu-Leaf a,
.HorizMenu ul.AspNet-Menu li.AspNet-Menu-Leaf span
{
    position:absolute;
    right:10px;
}