.html-container {
    height: 100%;
    width: 100%;
    img {
        max-width: 500px;
        max-height: 500px;
        cursor: zoom-in;
    }
}
.el-image-viewer__close{
    color: #fff;
    font-weight: bolder;
    font-size: 60px;
}
.el-image-viewer__mask{
    opacity: 0.9;
}