Rack is the (excellent) common denominator web library for Ruby. Sass also happens to be written in Ruby. Combining the two can be the perfect solution to building Living Styleguides, especially if you’re providing them as an Gem. I did this on a recent project, but the documented combination of the two was a bit lacking. Static Sites with Rack Rack is very barebones (it’s usually used behind the scenes in Sinatra or Rails), but it does provide Rack::Static which provides much of what we...