HTML Select Styling

HTMLSelect

.combo {
    background: #efefef url(../images/combo-arrow.png) no-repeat right  8px center;
    border: solid 1px #ccc;
    border-radius: 6px;
    color: #333;
    padding: 6px 4px;
    overflow:hidden;
    display:inline-block;

}
    .combo select {
        background:transparent;
        width:130%;
        border:none;
    }

<span class="combo">
    <select>
        <option>-Approved-</option>
    </select>
</span>