#rss-feed a.rss-icon {
    display: block;
    padding-left: 30px;
    position: relative;
    height: 30px;
    background-image: url('assets/rss-icons.png');
    width: 100%;
    background-repeat: no-repeat;
    background-position: 0px 0px;
}

#rss-feed a.rss-icon:hover {
    background-position: 0px -30px;
}

#rss-feed a.rss-icon span {
    display: block;
    position: absolute;
    bottom: 0;
}