Add table and code block styling
Correct nav link and `li` styling
Rearrange sub-page nav style for Outline page
Add update Home style tweaks artifact
Add update default style tweaks artifact
Remove custom sizing to `pre` and `blockquote` for improved responsive design
Add css artifacts from updated SCSS
Update Cheatsheet layout with first draft
Switch Octicon representation for Outlines vs. Cheatsheets
Cleanup selectors, Simplify repeat attributes, Revise previously unstyled elements
Merge pull request #17 from github/outline-cheatsheet-styles

Improve Outline and Cheatsheet formatting/styling