Remove bluish tint from menus

Fixes #21
Only show preview dashed border on hover. Fixes #17
Increase z-index of menus. Fixes #25
Hide code blocks until user clicks location link. Fixes #32
Bump version after the new interactive changes
Merge branch 'width_selector'

* width_selector:
  Bump version after the new interactive changes
  Hide code blocks until user clicks location link. Fixes #32
  Increase z-index of menus. Fixes #25
  Only show preview dashed border on hover. Fixes #17
  Remove bluish tint from menus