.gallery img {
    display: block;
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    object-position: center;
    margin: 1.5rem auto;
    border: 12px solid black;
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}
.categories article {
    border: 1px dotted var(--border-color);
    padding: 1em;
}
.categories article h4 { margin: 0 0 0.45em; font-size: 1.25rem; }
.categories figure {
    margin: 0;
}
.categories figure img {
    /* Crop the image to a standard dimension, centered */
    object-fit: cover;
    object-position: center;
    width: 100%;
    height: 190px;
}