Add Training site styles for common look and feel
Remove landing page custom nav header
Update style vars up to date with Training site
Remove landing page custom nav header
Bring Workbook layout/styles up to main site look
Blend Training and Kit site styles

Temporary bloated solution to unify site designs. Further cleanup and
simplification of selectors needed but this provides a first step.
Strip away styling around license content include
Revise home page classes and layout header
Change nav to non-Kit pages to absolute links
Fix margin/padding on `pre` and `table` oversizing
Fix Kit navigation link URL
Add arrow marker back to topic segments
Fix padding for content sections

Prevents right side content spilling out
Compress and minify styles
Style License with grid layout
Update stylesheet with compressed artifact
Adjust content padding
Remove unnecessary '.hero' selector
Add hyperlink style to '.hero' selector style
Basic grid style layouts for Kit page