ul#mainnav li, #topmenu ul li {
    display: inline-block;
    float: left;
    position: relative;
    z-index: 1000;
}
ul#mainnav li ul, #topmenu ul li ul {
    position: absolute;
    width: 195px;
    top: 35px;
    left: 10px;
}
.s4-tn ul.dynamic {
    background-color: white;
    border: 1px solid #D9D9D9;
}
ul#mainnav li ul li a, #topmenu ul li ul li a {
    font-size: 15px;
    background-color: white;
}
ul#mainnav li ul, #topmenu ul li ul {
    padding: 0;   
}