/* Keine externen Ressourcen (Schriften, Skripte, Bilder): die Seiten sollen niemandem außer dem Hoster IP-Adressen geben. */
:root {
  color-scheme: light dark;
  --text: #1f2328;
  --muted: #59636e;
  --background: #ffffff;
  --rule: #d1d9e0;
  --link: #0b57d0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #e6e8eb;
    --muted: #9aa4af;
    --background: #14171a;
    --rule: #30363d;
    --link: #8ab4f8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main, header, footer { max-width: 46rem; margin: 0 auto; padding: 0 16px; }
header { padding-top: 2rem; }
header a { color: var(--text); text-decoration: none; font-weight: 600; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 1.5rem 0 1rem; }
h2 { font-size: 1.3rem; margin: 2.2rem 0 .6rem; padding-top: .4rem; border-top: 1px solid var(--rule); }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .4rem; }
a { color: var(--link); }
address { font-style: normal; }
table { border-collapse: collapse; width: 100%; margin: .8rem 0; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .4rem .5rem; border-bottom: 1px solid var(--rule); }
.table { overflow-x: auto; }
.muted { color: var(--muted); }
footer { margin-top: 3rem; padding-bottom: 2rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }
footer a { color: var(--muted); margin-right: 1rem; }