.ratingStar {
    font-size: 0pt;
    width: 18px;
    height: 18px;
    margin: 0px;
    padding: 0px;
    cursor: pointer;
    display: block;
    background-repeat: no-repeat;
    visibility:visible;
}
.filledRatingStar {
    background-image: url(Images/yellow.png);
    visibility:visible;

}

.emptyRatingStar {
    background-image: url(Images/white.png);
    visibility:visible;
}

.savedRatingStar {
    background-image: url(Images/red.png);
}