.img-item{display:inline-block;position:relative;margin-right:5px;margin-bottom:5px}.img-item:hover .action{display:block}.img-item .action{display:none;position:absolute;left:0;right:0;bottom:0;z-index:2;line-height:20px;text-align:center;background-color:rgba(0,0,0,.3)}.img-item .action .el-icon-delete{cursor:pointer;color:red}