.mblDomButtonBlueBall{position:relative;width:19px;height:29px}.mblDomButtonBlueBall>div{position:relative;top:8px;left:4px;width:14px;height:14px;border-radius:7px;background:-webkit-gradient(linear,left top,left bottom,from(#84aff4),to(#2758b3))}