/* Colophon: grid of previous versions of the site. */
.previous-versions{list-style:none;padding:0;margin:1.5rem 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem 1.2rem}
.previous-versions li{margin:0}
.previous-versions figure{margin:0}
.previous-versions img{display:block;width:100%;height:auto;border:1px solid var(--rule);border-radius:3px}
.previous-versions figcaption{margin-top:.4rem;text-align:left}
.previous-versions time{font-variant-numeric:tabular-nums;color:var(--fg)}
@media (max-width:560px){.previous-versions{grid-template-columns:minmax(0,1fr)}}