* Add values module

* Fix some stylelint rules

* Add postcss-dir-pseudo-class

* Replace spaces variables

* Use inset logical properties

* Replace more physical properties with logical ones

* Replace border-width, border-radius, and sizes variables

* Rename values module as lengths

* Add module for colors

* Enable Storybook in IE11

* Rearrange foreground/text colors

* Rearrange some placeholder selectors

* Remove text-colors module

* Add typography module

* Remove text-styles module