google/web-starter-kit — pull request #238 by addyosmani (2014-07-03 10:22:49+00:00)
Title: Improve navbar UX logic for #233

This change takes us away from using overflow:hidden on body by default, only toggling this using a new `open` class when the navbar has been expanded. `open` is toggled on body in the same places as it is for the appear and navdrawer.

reviewers: @sindresorhus @passy @stephenplusplus