body {
  margin: 2rem auto;
  max-width: 40rem;
  padding: 0 1rem 3rem;
  color: #1c1c1c;
  font: 1.05rem/1.55 Georgia, "Iowan Old Style", serif;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 2rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}
a { color: #0b3a5b; }
nav a[aria-current="page"] { font-weight: 650; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; }
td, th { border: 1px solid #ccc; padding: 0.3rem 0.5rem; vertical-align: top; text-align: left; }
pre { white-space: pre-wrap; font: 0.92rem/1.45 ui-monospace, monospace; }