.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12em, 1fr));
    /* grid-template-columns: repeat(auto-fill, minmax(min(17em, 100%), 1fr)); */
    grid-gap: 1em;
    gap: 1em;
    align-items: stretch;
}

#main .grid article + article {
    margin-top: 0;
}
.grid article {
    display: inline-block;
    min-width: 10em;
    font-size: .8em;
    display: flex;
    flex-direction: column;
}
.grid article h1 {
    line-height: 1.2;
    flex: 1 0 auto;
}