…when it is specified - Amended reference description on $padding in span-columns mixin to be more specific
…dding test - Altered the padding argument to accept values in the correct units (based on $gutter-width units). This is somewhat hacky at this stage.
…padding on grids - 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
…of "root" Without breaking legacy support in any way!