/* Keep sign-in/reset controls in the document flow on phones and short windows. */
@media (max-width: 600px), (max-height: 650px) {
  body .brand-link { position:relative; inset:auto; margin:12px 16px 0; }
  body .center { min-height:0; padding:16px; }
  body .card { width:min(100%,420px); }
  body .contact, body .particles-toggle { position:relative; inset:auto; margin:0 0 16px 16px; vertical-align:middle; }
  body .center .contact { margin:16px 0 0; }
}