MUELLER is a modular grid system for responsive/adaptive and non–responsive layouts, based on Compass. You have full control over column width, gutter width, baseline grid and media–queries. One default grid and (if needed) different per–media grids (e.g. large, tablet, handheld). Extend your media–grids to pre–defined layouts (e.g. a 2-column layout with switched columns). On top of grids and lay