#dropdownlist {
    padding: 5px;
    background-color: #fff;
    border: #AAA 1px solid;
    position: absolute;
    display: none;
    z-index: 9999;
}

#dropdownlist ul li {
    padding: 5px;
    font-size: 12px;
}

#dropdownlist ul li:hover {
    cursor: pointer;
    background-color: #d4fcc8;
}