.el-upload-list--picture-card .el-upload-list__item-thumbnail{-o-object-fit:contain;object-fit:contain}.el-upload-list__item-thumbnail-video-box{background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;width:100%;height:100%}.el-upload-list__item-thumbnail-video{width:50px;height:50px}.el-upload-list__item-video-preview{width:100%;height:400px}