.img-list-sec{display:flex;flex-wrap:wrap}.img-list-sec .img-list-box{width:100px;height:100px;border:1px solid #409eff}.img-list-sec .img-list-after,.img-list-sec .img-list-box{padding:1px;margin:5px 10px;position:relative;overflow:hidden}.img-list-sec .img-list-after{width:101px;max-height:101px}.img-list-sec .img-list-box .img{height:100%}.opt-box{position:absolute;height:0%;width:100%;left:0;top:0;overflow:hidden;background-color:rgba(0,0,0,.5);z-index:100}.img-list-sec>div:hover .opt-box{height:25%}.check-box{position:absolute;height:100%;width:100%;border:1px solid #409eff;background-color:#fff;transform:rotate(-45deg);right:-66%;bottom:-66%;z-index:100;cursor:pointer;text-align:center;color:#409eff}.check-box>div{width:25%;height:25%;margin:0 auto;transform:rotate(45deg);display:flex;align-items:center;justify-content:center;font-weight:700}.check-box>div:before{content:"\221A"}.checked{background-color:#409eff!important;color:#fff!important}