org/yihui/bookdown/markdown-extensions-by-bookdown.html#theorems)

.footnote[
[All components](https://bookdown.org/yihui/bookdown/components.html)
]

---
name: yourturn3
template: yourturn

.right-column[
# .fancy[10:00 minutes]
&lt;br&gt;
### Add/edit chapters in your book. Try using some of these elements:

+ [Markdown headers](#headers) like `#, ##, ###` .fancy[(to un-number: `{-}`, to label: `{#label}`)]
+ [Cross-references](#headers-cross) to chapters/sub-sections like `\@ref(id)`
+ [Figures](#figure-