span.checkbox
{
    width: 19px;
    height: 25px;
    padding: 0 5px 0 0;
    background: url(/images/checkbox.gif) no-repeat;
    display: block;
    clear: left;
    float: left;
}
span.radio
{
    width: 19px;
    height: 16px;
    padding: 0 0px 0 0;
    background: url(/images/radio.png) no-repeat;
    display: inline-block;
    margin-bottom: -2px;
}
span.select
{
    position: absolute;
    width: 158px; /* With the padding included, the width is 190 pixels: the actual width of the image. */
    height: 21px;
    padding: 0 24px 0 8px;
    color: #fff;
    font: 12px/21px arial,sans-serif;
    background: url(/images/select.png) no-repeat;
    overflow: hidden;
}