* Reorganize scss folder * Migrate to Sass modules * Migrate docs to Sass modules, comment out docs grid CSS * Give helpers folder an index.scss, migrate ratio helper to aspect-ratio utility * Delete node sass Action * Modify Sass tests to pass for new Sass modules implementation * Don't disallow calc() * Move heading classes back to Reboot to prevent a dependency * Utilities, some helpers, and theme colors * Temporary fix of docs compilation * Temporary Bundlewatch fix * docs fix import to use * Restyle docs callouts * Fix docs colors * Revert typo * Reintroduce `css-lint-vars` npm script * Bump to Sass v1.90.x * Fixes * more * Remove --------- Co-authored-by: Julien Déramond <juderamond@gmail.com>
box-shadow
* Support 'null' and drop `none` with multiple args * Output a warning when use 'none' with multiple arguments * Add migration note * Update migration.md Co-authored-by: Mark Otto <markd.otto@gmail.com> Co-authored-by: XhmikosR <xhmikosr@gmail.com>