bradfrost/this-is-responsive — pull request #15 by micahgodbolt (2012-09-21 18:49:24+00:00)
Title: "Multi-Toggle with Active Parent Links - Pure CSS"

Added "Multi-Toggle with Active Parent Links" variation, created with Pure CSS.

Example found at http://codepen.io/micahgodbolt/full/mnLiF

If you'd prefer removing the old JS version, I'd be fine with that.