#email-list {
    display: none;
    position: absolute;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 5px;
    min-width: 200px;
    z-index: 99999;
    list-style-type:none;
}

#email-list li {
    cursor: pointer;
}

#email-list li:hover {
    background-color: #f2f2f2;
}