.single-full-image {
    display: block;
    line-height: 0;
}

.single-full-image img {
    width: 100%;
    max-width: 100%;
    object-fit: contain;
    height: auto;
    aspect-ratio: attr(width) / attr(height);
    contain-intrinsic-size: attr(width) attr(height);
    display: block;
}