.star-rating, .star-rating a:hover, .star-rating a:active, .star-rating a:focus, .star-rating .current-rating {
    background: url(/images/star.gif) left -1000px repeat-x;
    z-index:3;
} 

.star-rating {
    position: relative;
    width: 125px;
    height: 25px;
    overflow: hidden;
    list-style: none;
    margin: 0;
    padding: 0;
    background-position: left top;
    z-index:2;
}

 .star-rating li {
    display: inline;
}

 .star-rating a, .star-rating .current-rating {
    position: absolute;
    top: 0;
    left: 0;
    text-indent: -1000em;
    height: 25px;
    line-height: 25px;
    outline: none;
    overflow: hidden;
    border: none;
}
 .star-rating a:hover, .star-rating a:active, .star-rating a:focus {
    background-position: left bottom;
}
 .star-rating a.one-stars {
    width: 20%;
    z-index: 6;
}
 .star-rating a.two-stars {
    width: 40%;
    z-index: 5;
}

 .star-rating a.three-stars {
    width: 60%;
    z-index: 4;
}

 .star-rating a.four-stars {
    width: 80%;
    z-index: 3;
}

 .star-rating a.five-stars {
    width: 100%;
    z-index: 2;
}

 .star-rating .current-rating {
    z-index: 1;
    background-position: left center;
}