visionmedia/nib — pull request #228 by tommy351 (2013-11-06 16:51:26+00:00)
Title: Add "avoid-column-break" mixin

Prevent column break within an element.

More info:
- http://www.w3.org/TR/css3-multicol/#break-inside
- http://stackoverflow.com/questions/7785374/how-to-prevent-column-break-within-an-element