.progressBar{
    width: 216px;
    height: 26px;
    position: relative;
}
.progressBar span{
    position: absolute;
    display: block;
    width: 200px;
    height: 10px;
    background: url(../images/progress/bar.gif) no-repeat 0 0;
    top: 8px;
    left: 8px;
    overflow: hidden;
    text-indent: -8000px;
}
.progressBar em{
    position: absolute;
    display: block;
    width: 200px;
    height: 10px;
    background: url(../images/progress/bg_cover.gif) repeat-x 0 0;
    top: 0;
}