Take Action boxout block shown on the right side of posts is intended to scroll down as user scrolls down through page. Denmark team found this issue is caused because of the <ul> element

However, in some cases the block stays fixed on top, like here:
https://k8s.p4.greenpeace.org/international/story/18849/lilians-tests/

Example of expected behaviour: https://master.k8s.p4.greenpeace.org/denmark/vi-arbejder-med/mennesker/greenpeace-i-norden-og-i-udlandet/