body::before {
  content: "Statisches Archiv: Formulare, Logins und die Suche funktionieren nicht.\A Static archive: forms, logins and search won't work";
  white-space: pre-line;
  display: block;
  position: sticky;
  top: 0;
  z-index: 2147483647;
  margin: 0;
  padding: 14px 16px;
  background: #c00;
  color: #fff;
  font: bold 18px/1.4 system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .35);
}