图片垂直水平居中

<div className="goods">
    <img src={url}
         alt="图片"/>
</div>

.goods{
    width: 7rem;
    height: 7rem;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;

    img {
        max-width: 100%;
        max-height: 100%;
    }
}