This document discusses responsive web design for libraries. It begins with an overview of responsive design and why it benefits both users and developers. It then discusses two university library case studies of implementing responsive designs. The rest of the document delves into various aspects of responsive design such as navigation, images, tables, forms and more. It provides examples of using frameworks like Foundation to create responsive prototypes. Overall, the document serves as a guide for libraries to understand responsive design principles and challenges in implementing them.