.update-box{width:100px;border:1px dashed #d9d9d9}.update-box,.update-box>div{height:100px;text-align:center}.update-box>div{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.update-box:hover{border:1px dashed #1890ff}.item-box{margin:10px;padding:6px 8px;background:#fff;width:240px;height:100px;display:-webkit-box;display:-ms-flexbox;display:flex}.flex-center-center{-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}