Multi-Toggle Navigation
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The multi-toggle is basically just nested accordions. The user taps on the parent category to reveal children categories underneath. Once enough screen real estate becomes available, they convert to the usual multi-level dropdown we’re used to seeing.

A [Pen](http://codepen.io/bradfrost/pen/qwJvF) by [Brad Frost](http://codepen.io/bradfrost) on [CodePen](http://codepen.io/).

[License](http://codepen.io/bradfrost/pen/qwJvF/license).