'Guide': each section has many subsections. When browsing through, it's easy to become disoriented due to the 'sameness'. Numbered titles/subtitles would be eas

'Guide': each section has many subsections. When browsing through, it's easy to become disoriented due to the 'sameness'. Numbered titles/subtitles would be easier to navigate. Syntax coloring would add life to the monotones. 'Tutorial': the dark background and proportional typeface is out of character with some of the other code examples. (I happen to prefer mono-spaced code, with syntax coloring.) Examples: https://www.haskell.org/ https://www.haskell.org/ http://www.gnu.org/software/guile/ http://www.gnu.org/software/guile/ https://www.ruby-lang.org/en/ https://www.ruby-lang.org/en/ https://lfe.gitbooks.io/quick-start/content/2.html https://lfe.gitbooks.io/quick-start/content/2.html Other than that, I'm not sure I'd change much else, design-wise...