.pop_win{background:#9dc514;padding:3px}.pop_win .sys_btns{position:absolute;z-index:2;width:0;padding-left:18px;height:17px;overflow:hidden;right:8px;top:12px;background:url(../popup_btns.gif) no-repeat 0 0}.pop_win #closeButton{background-position:-36px 0}.pop_win #minMaxButton{right:28px}.pop_win #minMaxButton.s_max{background-position:-18px 0}