6a9856b590
The UI33 heading reset only needs to zero the UA margin — every heading in the app carries a Fluent typography class that out-specifies this element selector (and there are no raw headings), so the font-size/font-weight `inherit` lines never applied and contradicted the comment. Keep just `margin: 0`. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>