#primary li ul { /* second-level lists */
    position: absolute;
    /* background: orange; */ /* Useful for testing! And then it is no longer useful. */
    width: 150px;
    left: -999em; /* using left instead of display to hide menus because display: none isn't read by screen readers */
}

#primary li ul li {
    display: block;
    border-top: 1px solid #fff;
    
}

#primary li ul li ul { /* third-and-above-level lists */
    margin:-33px 0 0 155px !important;
    border-left: 1px solid white;
}

#primary li:hover ul li ul, #primary li:hover ul li ul li ul, #primary li.sfhover ul li ul, #primary li.sfhover ul li ul li ul {
    left: -999em !important;
}

#primary ul li:hover ul, #primary li ul li:hover ul, #primary ul li ul li ul li:hover ul, #primary ul li.sfhover ul, #primary ul li ul li.sfhover ul, #primary ul li ul li ul li.sfhover ul { /* lists nested under hovered list items */
    left: auto !important;
}