* Add color mode selector in footer
* Interpret color mode from cookie
* Update render-page.js
* Delete color-mode.js
* Update render-page.js
* Make this more resilient to HTML tag changes
* Update scroll-button.scss
* Upgrade primer to 16
* Upgrade colors in scss
* Get SCSS to build
* Initial dark mode support
* trashcan -> trash
* More specific search browser test
* Fix link color on homepage
* Update overrides.scss
* Upgrade some colors to primer variables
* Hide dark mode support for now
* Apply suggestions from code review
* Update overrides.scss