- Top nav external links now open in a new tab as intended (not specific
to light mode)
- Consistently adjust opacity (not placement) of background images in
mobile; lighter in light mode for legibility.
- Add a subtle white "shadow" to eyebrow text in light mode to improve
legibility
- Fix focus styles for buttons & multicode tabs in light mode
- Make all buttons sized the same as primary buttons by default
- Fix typo that caused the "Reset" button on get-started to be unstyled
- Refactor theme switcher JS for simplicity.
- Fix issue with theme select icon not being visible in some cases.
- Update color of ✅ icons in interactive tutorial breadcrumbs
