Рейтинг только на CSS

.rating {
    width: 100px;
    height: 20px;
    font-size: 0.9em;
}

.unit-rating {
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100px;
    height: 20px;
    position: relative;
}

.unit-rating li {
    text-indent: -90000px;
    padding: 0;
    margin: 0;
    float: left;
}

.unit-rating li a {
    background: #DEDEDE;
    display: block;
    width: 20px;
    height: 20px;
    text-decoration: none;
    text-indent: -9000px;
    position: absolute;
    padding: 0;
}

.unit-rating li a:hover {
    background:#0073E5;    
    left: 0;
    z-index: 30;
}

.unit-rating a.r1-unit:hover {
    width:20px;
}

.unit-rating a.r2-unit {
    left: 20px;
}

.unit-rating a.r2-unit:hover {
    width: 40px;
}

.unit-rating a.r3-unit {
    left: 40px;
}

.unit-rating a.r3-unit:hover {
    width: 60px;
}

.unit-rating a.r4-unit {
    left: 60px;
}

.unit-rating a.r4-unit:hover {
    width: 80px;
}

.unit-rating a.r5-unit {
    left: 80px;
}

.unit-rating a.r5-unit:hover {
    width: 100px;
}

.unit-rating li.current-rating {
    background-color:#008EFF;
    position: absolute;
    height: 20px;
    display: block;
    text-indent: -9000px;
    z-index: 20;
}