Status: In Progress
See https://github.com/adaptlearning/documentation/blob/master/01_cross_workstream/style_guide.md for our existing guide (which is taken from https://github.com/felixge/node-style-guide)
Some example styleguides:
I also really like GitHub's interactive CSS guide for mobile: https://github.com/styleguide/mobile (should possibly be an extra ticket).
I suggest we also introduce jshint or similar to the Gruntfile, and the relevant config to guide developers on these.