.coupon-index-content-item{width:400px;height:148px;background:#fff;box-shadow:0 2px 8px 0 rgba(0,0,0,.04);padding:20px;margin-right:10px;margin-bottom:10px}.coupon-index-content-item-operate{display:none}.coupon-index-content-item:hover .coupon-index-content-item-operate{display:block}