.icon {
    display: inline-block;
    vertical-align: middle;
    position: relative;
    background-position: 0px 0px;
    background-repeat: no-repeat;
}

.icon-play {
    width: 22px;
    height: 22px;
    background: url('../images/icon_play.png');
    margin-right: 4px;
}

.icon-play-large {
    width: 50px;
    height: 50px;
    background: url('../images/icon_play_large.png');
    margin-right: 11px;
    margin-left: 2px;
}