Responsive Web Design
Source: https://abookapart.com/products/responsive-web-design ↗
The seventy-page booklet from A Book Apart that introduced the term "responsive web design" and reorganised an industry.
Marcotte synthesised three existing CSS techniques — fluid grids, flexible images, and media queries — into a coherent design philosophy that replaced the practice of building separate mobile and desktop sites.
The timing was decisive: smartphones were proliferating, but the industry had no shared vocabulary for what multi-device design should look like.
Marcotte provided that vocabulary.
The book is a case study in how naming a pattern can accelerate adoption more effectively than inventing new technology.
Its brevity is part of its power — there is nothing in it that does not need to be there.