(Content of this bookChapter 1, introduction to HTML5, CSS3 and responsive design, defines what responsive web design is, shows some examples of responsive design websites, and emphasizes the advantages of using HTML5 and CSS3.first? Media queries: supporting different viewports explains what media queries are, how to implement them, and how to match CSS styles with device functions and apply them to any design.Chapter 3, embracing fluid layout, explains the benefits of fluid layout, how to easily convert existing fixed width designs to fluid layout, and how to use CSS framework to quickly build responsive web pages.Chapter 4, HTML5 in responsive design, discusses many benefits of using HTML5 technology, such as more concise code, semantic tags, offline storage and accessibility of web application assistance technology.Chapter 5, CSS3: selectors, fonts and color patterns, shows the power of CSS3 selectors, allowing you to easily specify and change any element. It also explains how to use beautiful web fonts through the @ font face declaration, as well as new CSS3 color patterns, such as RGB (a) and HSL (a).Chapter 6, creating amazing beauty with CSS3, shows how to use pure CSS3 code to realize text shadow, box shadow and gradient. It also describes how to use multiple background images and how to create icons from font files. Chapter 7, CSS3 transition, transformation and animation, explains how to create and transform elements on the screen using CSS3 only,)