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Marcos Caceres edited this page Mar 27, 2026 · 10 revisions

.appendix

Marks a section as an appendix. Appendix sections are lettered rather than numbered (A, B, C…). All sections following an appendix are also treated as appendices.

Usage

<section class="appendix">
  <h2>Acknowledgements</h2>
  <p>The editors thank the following for their contributions…</p>
</section>

Notes

  • Being an appendix does not make a section informative — combine with class="informative" if needed
  • Every section after the first appendix becomes an appendix — put appendices at the end of the document
  • Appendix IDs and the ToC show letter labels (A, B, C…) instead of numbers

Guides

Configuration options

W3C Configuration options

Linting rules

Internal properties

Handled by ReSpec for you.

Special <section> IDs

HTML elements

Custom Elements

HTML attributes

CSS Classes

Special properties

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