TAILIEUCHUNG - adobe dreamweaver cs5 on demand part 40

Tạo Page Layouts Sử dụng CSS-P Cascading Style Sheets-Định vị (CSS-P) là nhiều hơn so với vị trí hoàn hảo của các từ và các đối tượng trên một trang web, ngoài ra, các lớp công nghệ cho phép bạn tạo ra hộp đựng di động (gọi là AP yếu tố, trước đây gọi là lớp) cho phép bạn chính xác vị trí văn bản web và các đối tượng, thậm chí đi xa như vậy để ngăn xếp một AP yếu tố trên đầu trang của người khác, hoặc sử dụng JavaScript để hiển thị hoặc ẩn các yếu tố. | Creating Page Layouts Using CSS-P Introduction Cascading Style Sheets-Positioning CSS-P is more than the perfect positioning of words and objects on a Web page in addition layers technology lets you create movable containers called AP elements formerly known as layers that allow you to precisely position Web text and objects even going so far as to stack one AP element on top of another or to use JavaScript to show or hide AP elements. For example you could have several AP elements containing thumbnails of images and when you hover over a particular AP element a JavaScript would show a previously hidden AP element with information about the image. The incorporation of AP elements into a Web page gives the designer for the first time the use of all three dimensions width height and even depth stackable AP elements . There is of course in all things a good news bad news scenario. The good news is that AP elements and CSS-P are awesome tools for the creative designer to use. The bad news is that they do not work in earlier browsers pre . Fortunately Dreamweaver turns that bad news on its head by giving you the ability to convert AP elements into a more compatible tables document and vise versa. This chapter covers the use of AP elements and CSS-P for the creation and implementation and total control of the design of Web pages. We ll focus in on how to create CSS-P design and why you might want to use it. 10 What You ll Do Introduce CSS Layouts and AP Elements Create AP Elements Nest AP Elements Set AP Element Preferences Use CSS Positioning Apply a CSS-P Style Modify CSS-P Properties Work with AP Elements Create a Rollover Using AP Elements Convert AP Elements to Tables 241 Introducing CSS Layouts and AP Elements In the beginning support for Cascading Style Sheets CSS was a bit sketchy however as time when on and CSS caught on more and more browsers came on board. In response Dreamweaver began giving Cascading Style Sheets complete support. Cascading Style Sheets

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