说明：  讲解了HTML5和CSS3的所有新功能和新特性；技术新颖；实战性强，不仅每个知识点都配有精心设计的小案例，而且还有两个综合性的案例（体现用HTML5与CSS3开发Web应用的思维和方法）。
(It explains all the new functions and features of HTML5 and CSS3; the technology is novel; the practicality is strong, not only each knowledge point is equipped with carefully designed small cases, but also two comprehensive cases (reflecting the thinking and methods of developing web applications with HTML5 and CSS3))