.btn-a2{display:block;float:left;overflow:hidden;height:22px;text-decoration:none!important}.btn-a2 span{display:block;float:left;height:22px;background:url(//cbu01.alicdn.com/images/common/icon_v02/btn3.png) no-repeat;cursor:pointer}.btn-a2 .btn-l{padding-left:2px;background-position:left top}.btn-a2 .btn-r{width:2px;background-position:right top}.btn-a2 button{margin:0;padding:0;height:22px;outline:0;border:0 none;background:0 0;cursor:pointer;*margin-left:-8px;*margin-right:-8px}.btn-a2 em{padding:0 8px;font:400 12px/22px \5B8B\4F53;color:#333!important}.btn-a2:hover .btn-l{background-position:left -22px}.btn-a2:hover .btn-r{background-position:right -22px}.btn-a2-disabled .btn-l{background-position:left top!important}.btn-a2-disabled .btn-r{background-position:right top!important}.btn-a2-disabled,.btn-a2-disabled button,.btn-a2-disabled span{cursor:default!important}.btn-a2-disabled em{color:#999!important}