.wp-block-gallery.masonry {
    display: block;
    column-count: var(--gallery-columns-desktop, 3);
    column-gap: var(--wp--style--unstable-gallery-gap, 1rem);
}

.wp-block-gallery.masonry > .wp-block-image {
    display: inline-block;
    width: 100% !important;
    margin: 0 0 var(--wp--style--unstable-gallery-gap, 1rem) !important;
    break-inside: avoid;
    page-break-inside: avoid;
    -webkit-column-break-inside: avoid;
}

@media (max-width: 1024px) {
    .wp-block-gallery.masonry {
        column-count: var(--gallery-columns-tablet, 3);
    }
}

@media (max-width: 480px) {
    .wp-block-gallery.masonry {
        column-count: var(--gallery-columns-mobile, 2);
    }
}