Book excerpt: New devices and platforms emerge daily. Browsers iterate at a remarkable pace. Faced with this volatile landscape we can either struggle for control or we can embrace the inherent flexibility of the web. Responsive design is not just another technique–it is the beginning of the maturation of a medium and a fundamental shift in the way we think about the web. Implementing Responsive Design is a practical examination of how this fundamental shift affects the way we design and build our sites. Readers will learn how to: Build responsive sites using a combination of fluid layouts, media queries, and fluid media Adopt a responsive workflow from the very start of a project Enhance content for different devices Use feature-detection and server-side enhancement to provide a richer experience