Hide certain page elements.
Download ZIP file and copy it into your system/extensions folder. Learn more about extensions.
Create a custom notice block and use spoiler as class attribute.
Content file with hidden text:
---
Title: Spoiler example
---
Click on the button to show the hidden text.
! {.spoiler}
! This text is hidden.
! **Text formatting is supported.**
! [Links and images too](https://datenstrom.se)
More text is here.
Steffen Schultz. Get help.