.sourcebook--hbtd {
  --rh-sourcebook-accent: #610000;
  --rh-sourcebook-accent-muted: #ad8f4e;
  --rh-sourcebook-background-image: url('/images/book-covers/hbtd.webp');
  --rh-sourcebook-page-background-image: url('/styles/sourcebooks/assets/hbtd/page-background.webp');
  --rh-sourcebook-table-odd-bg: #f9f4f4;
  --rh-sourcebook-table-even-bg: transparent;
  --rh-sourcebook-table-header-bg: transparent;
  --rh-sourcebook-table-border: transparent;
  --rh-sourcebook-notable-bg: #d8d3d7;
  --rh-sourcebook-narrative-bg: #fee7db;
  --rh-sourcebook-narrative-border: #f58e63;
  --rh-sourcebook-callout-border: #cc6300;
  --rh-sourcebook-branded-callout-border: #281328;
}