#demo .bar-rating a {
    background: url('/img/zeuro-20.png');
    width: 24px;
    height: 24px;
    display: block;
    float: left;
}

#demo .bar-rating a:hover,
#demo .bar-rating a.active,
#demo .bar-rating a.selected {
    background-position: 0 24px;
}

@media
only screen and (-webkit-min-device-pixel-ratio: 1.5),
only screen and (min-device-pixel-ratio : 1.5),
(min-resolution: 192dpi) {
    #demo .bar-rating a {
        background: url('/img/zeuro-30.png');
        background-size: 24px 48px;
    }
}