expanding GH commit messages in palemoon&palefill causes unexpected jumping

[rofl0r]

when looking at a list of commits, e.g. https://github.com/sabotage-linux/sabotage/commits/master/ where many have descriptive commit messages using more than a single line, expanding those with the "..." button leads to the focus jumping around unexpectedly, and often to the chosen commit message not expanding.
the first expansion usually works, later ones not. after expanding the second item, the cursor/view often jumps back to the first already-expanded item. this is using latest palefill and palemoon 33.6.0.

[martok]

Hm, works fine for me. Well, fine is relative, the button itself and the way the hint snips out of existance is ugly, but it does what it should do.

[rofl0r]

thanks for taking a look.
if you go from top to bottom in a sequence the bug often isn't visible. to trigger it one needs to expand e.g. the second commit, then the last, then the first, then one in the middle, etc...