.tabs { flex-wrap:wrap; }
.tabs button { white-space:nowrap; }
.revision-link { margin:0 0 24px; font-size:13px; }
footer { gap:12px 20px; flex-wrap:wrap; }
@media (max-width:760px) {
  .tabs { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); }
  .tabs button { padding:7px 4px; }
}