.gallery {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 20px;
    gap: 20px;
}
@media (max-width: 767px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}
.gallery__aspect-ratio {
    display: block;
    padding-top: calc(100% * 9 / 16);
    position: relative;
}
.gallery__image {
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    top: 0;
    object-fit: cover;
}