.img_box{position:relative}.img_box .del_box.on{display:block}.img_box .del_box{display:none;position:absolute;width:100%;height:100%;background-color:rgba(0,0,0,.8);top:0;left:0}.img_box .del_box .btn_box{position:absolute;top:calc(50% - 23px);left:calc(50% - 13px);text-align:center}.img_box .del_box .btn_box img{max-width:26px}.img_box .del_box .btn_box p{color:#fff;font-size:14px}