Add Keybase to author sidebar and aria-hidden to icons
- Close #138
- Close #186
- Close #188

Add LinkedIn social share button and add ARIA hidden to Font Awesome icons
- Close #174
- Close #179

Remove AdSense code and add ARIA hidden to Font Awesome icons

Wrap locale in double quotes

Revert background color back to white

Simplify feature row SCSS

Adjust button sizes

Adjust table of contents typography

Adjust type scale

Adjust sidebar navigation list and syntax highlighting styles

Simplify build scripts to use npm instead of gulp
- Close #229

Make typography refinements

Change syntax highlighting theme again

Only show post pagination if there are previous or next posts

Refine notices

Reduce button size

Replace px font-size with relative units (em and rem)

Improve pagination styling

Order docs in collection to correct next/previous pagination links

Style tweaks to pagination, right sidebar, and background color