select styling

select.css

select {
    -khtml-appearance: none;
    display: block;
    height: 30px;
    width: 68px;
    font-size: 15px;
    text-align: top;
    line-height: 12px;
    padding: 0 10px;
    color: #aaa;
    background: transparent url('images/select.png') no-repeat left top;
    border: none;
}