Пальцы для комментариев

#comments_list .comment .info .rating a {
    width: 25px;
    height: 25px;
}
#comments_list .comment .info .rating a.rate-up:hover {
    background-position: 0 -25px;
}
#comments_list .comment .info .rating a.rate-down {
    background-position: -25px 0;
}
#comments_list .comment .info .rating a.rate-down:hover {
    background-position: -25px -25px;
}