ericam/susy — pull request #85 by tbredin (2012-08-08 01:33:39+00:00)
Title: Padding argument on span-columns mixin

- Accepts 1 or 2 values and applies inner padding on grids
- If only one value is passed then padding will be identical on both sides
- Padding is applied in from-to order, based on the $from argument
- $from argument is now in the 4th position (whereas it used to be the 3rd). *This may need to be changed*

Added relative-width function for calculating percentage widths from any given value
- Amended column, columns and gutter functions to use this new function