/**
 * Makes a testimonial break span the full width of the gallery grid,
 * regardless of which Query Loop layout (flex columns or masonry) is
 * active. !important is needed to win over both the flex-layout column
 * width core prints inline/via class, and the 50% width masonry.css sets
 * on every <li>.
 */
.wp-block-post-template > li.img-testimonial-break {
    width: 100% !important;
    grid-column: 1 / -1;
    margin: 1.5em 0;
}