.size-1 {
    grid-column: 4 / 5;
}

.size-2 {
    grid-column: 3 / 6;
}

.size-3 {
    grid-column: 2 / 7;
}

.size-4 {
    grid-column: 1 / 8;
}

.size-1 img, .size-2 img, .size-3 img, .size-4 img {
    width: 100%;
}

figcaption {
    margin-top: 0.5rem;

    display: flex;
    justify-content: center;
}