a.sm2_button {display:inline-block; width:16px; height:16px; text-indent:-9999px; overflow:hidden; background-image:url(play.gif); background-repeat:no-repeat; background-position:0 0px; vertical-align:middle}
a.sm2_button:focus {outline:none}
a.sm2_button, a.sm2_button.sm2_paused:hover {background-image:url(play.gif); background-repeat:no-repeat; background-position:-16px 0px}
a.sm2_button:hover, a.sm2_button.sm2_playing, a.sm2_button.sm2_playing:hover {background-image:url(play.gif); background-repeat:no-repeat; background-position:0 0px}
a.sm2_button.sm2_paused, a.sm2_button.sm2_paused:hover {background-image:url(play.gif); background-repeat:no-repeat; background-position:-32px 0px}