.thumbs {
    display: flex;
    flex-direction: column;
    column-gap: 1em;
    font-size: .8em;

    & > div > h1 { text-align: center; }
}

@media only screen and (min-width: 650px) {
    .thumbs {
        flex-direction: row;
        & > div { flex: 1 1 0px; }
    }
}