.has-gray-text-background-color {
    .wp-element-caption {
        color: var(--wp--preset--color--white);
    }
}

.wp-block-image {
    display: table;
    img {
        max-width: 100%;
        display: block;
    }
    figcaption {
        display: table-caption;
        caption-side: bottom;
    }
}