- Ensure that some rules are always ignored in overrides (aka vendor) styles. This avoids us having to add ignore comments all over these styles.
- Resolves #10719
- Add new stylelint fix script & generic 'fix' (all) script in npm scripts.
- Disable autofix on `stylelint-declaration-strict-value` as this requires a custom function to be created.
- Tweak stylesheets for compatibility with latest stylelint configuration
- Move stylelint config to JS for ease of copying rules with main config
- Enforce scss/no-global-function-names by refactoring code with sass-migrator
- Run Sass code through sass-migrator
- Change stylelint configuration and code to enforce font-family-no-missing-generic-family-keyword
- Manually switch to math.div where migrator used * 0.5
