tailieunhanh - adobe dreamweaver cs5 on demand part 34

Làm việc với Cascading Style Sheets Cascading Style Sheets là một trong những điều lớn nhất cho đến cùng vì việc tạo ra của World Wide Web. Một định nghĩa cứng của CSS có thể đi một cái gì đó như thế này: Cascading Style Sheets (CSS) là một tập hợp các quy tắc định dạng kiểm soát sự xuất hiện của nội dung trong một trang Web. | Working with Cascading Style Sheets 9 Introduction Cascading Style Sheets are one of the greatest things to come along since the creation of the World Wide Web. A hard definition of CSS might go something like this Cascading Style Sheets CSS are a collection of formatting rules that control the appearance of the content in a Web page. Using CSS styles to format a page separates content from presentation. This gives you greater flexibility and control over the exact appearance of your Web pages. With CSS you can control text properties including specific fonts and font sizes bold italics underlining and text shadows text color and background color link color and underlining. With CSS controlling fonts it ensures a more consistent treatment of your page layout and appearance in multiple browsers. In this chapter you ll get an introduction to Cascading Style Sheets what they are and how to use them efficiently to create great Web content. You ll also learn how CSS functions and how it s used to control multiple Web pages. With Dreamweaver and Cascading Style Sheets we re getting closer and closer to the goal of What You See Is What You Get and I can t wait. What You ll Do Introduce Cascading Style Sheets Create a Web Page with a CSS Layout Create CSS Styles Apply Internal CSS Styles Apply and Modify External CSS Styles Remove Internal Styles Use the CSS Styles Panel Edit CSS in the Properties Panel Set CSS Properties Work with CSS Rules Disable or Enable CSS Rules Inspect CSS Use the Relevant CSS Tab Work with ID Selectors Create and Apply an ID Selector Check for CSS Browser Compatibility Format CSS Code Set CSS Styles Preferences Use Design-Time Style Sheets Optimize Web Pages 207 Introducing Cascading Style Sheets Cascading Style Sheets CSS are a revolution in the world of web design. Some of the benefits include The layout of many documents from one single style sheet Precise control of layouts Application of different layout to different media-types screen print