argus's review on PR #4784 caught a wrong technical claim: the
comment said the .ui-agent-term-preview-full override rules relied
on source order because they had equal specificity to the
un-modified rules above. They don't — each override selector adds
one more class (the .ui-agent-term-preview-full prefix) than what it
overrides, so they're strictly more specific and win regardless of
file order. Corrected the comment to say so.
7bf4cfbc4c