This works as expected, but centering is often not pretty. I will keep the mechanism of "apply formatting to after image" and attempt to find a nicer way to format it before merging.

After some feedback from the team, we decided to use a Caption: mechanism instead

https://stampy-ui2.aprillion.workers.dev/ is updated to latest commit .. I have no idea which document uses the new caption to test, but updated code looks good to me

@Aprillion you can see the result on these pages
https://stampy-ui2.aprillion.workers.dev/questions/8241/What-is-interpretability-and-what-approaches-are-there
https://stampy-ui2.aprillion.workers.dev/questions/0
The former has an issue with the second image, but it seems unrelated to the PR, it has the same issue on the live site