Addresses #8199: darker default button
docs/javascript.html: backticks -> <code>
Merge pull request #8210 from cvrebert/backticks

docs/javascript.html: backticks -> <code>
run make on last commit
Add support for `tr`, `th`, and `td` to responsive utilities
Merge branch '3.0.0-wip' into 3.0.0-sass-wip

Conflicts:
	docs/assets/css/bootstrap.css
	scss/_responsive-utilities.scss
	scss/_variables.scss