div.time-picker {
    position: absolute;
    height: 200px;
    width:150px; 
    _width:4em; /* needed for IE */
    overflow: auto;
    background: #fff;
    border: 1px solid #000;
    z-index: 99;
}
div.time-picker-12hours {
    width:8em; /* needed for IE */
}

div.time-picker ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}
div.time-picker li {
    padding: 1px;
    cursor: pointer;
}
div.time-picker li.selected {
    background: #316AC5;
    color: #fff;
}