I only checked the green so far, looks better.

Before:

After:

You know, I might be tempted to drop that rounded grey background box altogether, we don't have that sort of thing athttps://docs.python.org/3/whatsnew/3.12.html, or keep the grey background but drop the shadow and rounder border radius.

(Possibly also ditching the green?)

Could also decrease the padding.. It looks pretty big

I think I like this the best out of the options:

but the current "After:" state is good, too.