scope header hiding to desktop

Merge pull request #44 from gavinmn/hidden-top-bar

show top bar on hover

address .88 update bugs

fix link colors

menu styling bugfix

adjustments for .80 update

closes #37

Merge pull request #33 from gavinmn/code-block-styling

add code block styling

Merge pull request #28 from gavinmn/fix-bullet-threading

add specificity to override bullet threading

fix margin on auto complete suggestions