mozilla/addon-sdk — pull request #1460 by jsantell (2014-04-15 23:17:22+00:00)
Title: Bug 793413 - Use sans-serif typefaces and neutral anchor colors in panel...

Slight change to anchor color and typeface (nothing else in Firefox has a serif font)

Currently/before: http://grab.by/w4Mg
With patch/after: http://grab.by/w4Me