gistfile1.less

@grid-columns: 12;
@grid-column-width: 60;
@grid-gutter-width: 20;
@grid-column-padding: 10;


.skip-X (@sub-column-index, @columns) when (@sub-column-index > 0) {
	@local-width: (@columns * @grid-column-width) + ((@columns - 1) *
		@grid-gutter-width);
	@grid-column-width-gutter-width: @grid-column-width + @grid-gutter-width;

	(~'[class ~= "skip-@{sub-column-index}"]') {
		margin-left: percentage((@sub-column-index *
			@grid-column-width-gutter-width + (@grid-gutter-width / 2)) /
			@local-width);
	}

	(~'[class *= "col-"]:first-child[class ~= "skip-@{sub-column-index}"]') {
		margin-left: percentage(@sub-column-index *
			@grid-column-width-gutter-width / @local-width);
	}

	.skip-X(@sub-column-index - 1, @columns);
}