/* Initially hide all .sf-depth-2 elements */
.sf-depth-2 {
    position: relative;
        top:-3px;
    display: none;
}

/* Override hiding when hovering over parent menu items */
#superfish-secondary-menu li.menuparent:hover .sf-depth-2 {
    display: block;
}

#superfish-secondary-menu li.menuparent {

}