.simple {
  --primary-color: #111827;
  --secondary-color: #f3f4f6;
  --primnary-background-color: #fff;
  --secondary-background-color: whitesmoke;
  --body: #374151;
  --headings: #111827;
  --lead: #4b5563;
  --links: #111827;
  --bold: #111827;
  --counters: #6b7280;
  --bullets: #d1d5db;
  --hr: #e5e7eb;
  --quotes: #111827;
  --quote-borders: #e5e7eb;
  --captions: #6b7280;
  --code: #111827;
  --pre-code: #e5e7eb;
  --pre-bg: #1f2937;
  --th-borders: #d1d5db;
  --td-borders: #e5e7eb;
  --invert-body: #d1d5db;
  --invert-headings: #fff;
  --invert-lead: #9ca3af;
  --invert-links: #fff;
  --invert-bold: #fff;
  --invert-counters: #9ca3af;
  --invert-bullets: #4b5563;
  --invert-hr: #374151;
  --invert-quotes: #f3f4f6;
  --invert-quote-borders: #374151;
  --invert-captions: #9ca3af;
  --invert-code: #fff;
  --invert-pre-code: #d1d5db;
  --invert-pre-bg: rgb(0 0 0 / 50%);
  --invert-th-borders: #4b5563;
  --invert-td-borders: #374151;

  font-size: 1rem;
  line-height: 1.75;
}