.specimen {
  --page: #f3eee4;
  --surface: #fff;
  --ink: #291e1b;
  --accent: #773c34;
  --line: color-mix(in srgb, var(--ink) 25%, transparent);
  --heading: 'Libre Baskerville', sans-serif;
  --body: 'DM Sans', sans-serif;
  --measure: 65ch;
  --space: 8px;
  --content: 1240px;
}