Collapsible detail sections
ways to create collapsible detail sections using headers and div blocks, including pop-up and custom summary styles
September 22, 2025
Samantha Monty
Chair for Human-Computer Interaction, University of Würzburg

Clickable header

This turns a header into a clickable summary.

When clicked, it reveals the content that follows (like a bullet list):



sample :

header clickable summary
  • this is more detaile 1
  • this is more detaile 2

Clickable header source code :

## sample : 
## header clickable summary {.details}

-   this is more detaile 1 
-   this is more detaile 2

Div Block Detail

This shows how to create a detail block using a div container :

Sample :



Div detail summmary.
  • detail number one
  • detail number two

Div Block Detail source code :

## Sample :

::: {.details summary="Div detail summmary."}
-   detail number one 
-   detail number two
:::

Mixed header and div block

This mixes a header collapsible and a div-based collapsible on the same slide. So you’ll have:

  • A clickable header to reveal a list.

  • A collapsible div inside the same slide.


Sample :


header clickable summary
  • this is more detaile 1
  • this is more detaile 2
Div detail summmary.
  • detail number one
  • detail number two

Mixed header and div block source code :

## Sample :

## header clickable summary {.details}

-   this is more detaile 1 
-   this is more detaile 2

::: {.details summary="Div detail summmary."}
-   detail number one 
-   detail number two
:::