CSS design is thoroughly researched and all parts are synthesized........................ Chapter 1: Introducing the core basic knowledge related to (X)HTML and CSS. Chapter 2: Show readers the effects that CSS can bring to web design. Chapter 3: An in-depth explanation of the core mechanism of CSS - the box model. Chapter 4: Explain the key points and difficulties of CSS layout-floating and positioning. Chapter 5: Introduction to typesetting of text and images. Chapter 6: Introduces the setting methods related to links and navigation. Chapter 7: Create a relatively simple vertically arranged navigation menu. Chapter 8: Making a more complex horizontal navigation menu. Chapter 9: Making a two-level drop-down menu. Chapter 10: Introduces how to set the table style by making a complex multi-mode calendar. Chapter 11: In-depth explanation of various methods of making rounded corners, and in-depth analysis of the characteristics and usage scope of different methods. Chapter 12: Introduces the production methods of some new web page elements that have appeared in recent years, such as Tab panels, folding panels, retractable panels, etc. Chapters 13 and 14: Comprehensively summarize and summarize the design methods of different forms of layout, and give comprehensive cases. Chapters 15 to 17: Taking the CSS Zen Garden work as an example, based on studying successful works, I made my own CSS Zen Garden work, thus demonstrating the layout method of the overall page.