i have my site designed with media queries to cover different-sized layouts. i have masonry organizing a bunch of floats at the full-size width, no problem. at the mobile widths, all the floats, unfloat and just stack on top of each other. so i only need to re-run masonry when the site resizes to the tablet layout when 768px <= width <= 1000px. i have my site designed with media queries to c