Rename .recent-posts → .posts-list
Replace transparent png background with rgba
Replace nav separator images with CSS versions
Cleanup
Cleanup order of styles
:lipstick: Position top nav further to the right

To make less overlap with the content
:Lipstick: Top nav less transparent, more readable

Transparency was too messy; use background color like background of
page (not black); make background only slightly transparent; make it a
bit shorter; hide Archive link from fixed nav
Chore: compiled CSS form latest changes
Cleanup