/* The math4ai.org home page inside the online book's shell (peanutbook
   booksite base.html). home.css's .page-home rules styled the old
   header/background and no longer apply; this only gives the unchanged
   home content the wider column it was designed for. */
main.container:has(.home-in-booksite) {
  max-width: min(72rem, 100%);
}