Problema submenu css

[memoadian]

Código CSS:

#cssmenu > ul {
    bottom: 0;
    display: inline-block;
    float: left;
    left: 65px;
    list-style-type: none;
    margin-top: 0;
    min-width: 200px;
    overflow: visible;
    position: fixed;
    top: 250px;
}