.gallery-columns,
.gallery-columns-2 {
    columns: 1;
    column-gap: 1rem;
}

@media (min-width: 576px) {
    .gallery-columns,
    .gallery-columns-2 {
        columns: 2;
    }
}

@media (min-width: 992px) {
    .gallery-columns {
        columns: 3;
    }
}

.gallery-columns img,
.gallery-columns-2 img {
    display: block;
    width: 100%;
    break-inside: avoid;
    margin-bottom: 1rem;
}