a.sm2_link {
    background: #eee;
    border-left: solid 6px #ddd;
    color: #999;
    padding: 0.2em;
    text-decoration: none;
}
a.sm2_link:hover {
    border-color: #ccc;
    color: #888;
}

a.sm2_playing {
    background: #ddd;
    border-color: #559aff;
}
a.sm2_playing:hover {
    border-color: #559aff;
}

a.sm2_paused {
    background: #ddd;
    border-color: #aaa;
}
a.sm2_paused:hover {
    border-color: #aaa;
}