CSS TUTORIAL : "CSS 2.1"
Table of Contents:
About the CSS 2.1 Specification
Introduction to CSS 2.1
Conformance: Requirements and Recommendations
Syntax and basic data types
Selectors
Assigning property values, Cascading, and Inheritance
Media types
Box model
Visual formatting model
Visual formatting model details
Visual effects
Generated content, automatic numbering, and lists
Paged media .
Colors and Backgrounds
Fonts
Text
Tables
User interface
Appendix A. Aural style sheets
Appendix B. Bibliography
Appendix C. Changes .
Appendix D. Default style sheet for HTML 4
Appendix E. Elaborate description of Stacking Contexts
Appendix F. Full property table
Appendix G. Grammar of CSS 2.1
Appendix I. Index
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Sample of the pdf document :
CSS 2.1 is a style sheet language that allows authors and users to attach style (e.g., fonts and spacing) to structured documents (e.g., HTML documents and XML applications).
By separating the presentation style of documents from the content of documents, CSS 2.1 simplifies Web authoring and site maintenance.
CSS 2.1 builds on CSS2 [CSS2] which builds on CSS1 [CSS1]. It supports media-specific style sheets so that authors may tailor the presentation of their documents to visual browsers, aural devices, printers, braille devices, handheld devices, etc.
It also supports content positioning, table layout, features for internationalization
Cascading Style Sheets Level 2 Revision 1 (CSS 2.1) Specification and some properties related to user interface.
CSS 2.1 corrects a few errors in CSS2 (the most important being a new definition of the height/width of absolutely positioned elements, more influence for HTML’s "style" attribute and a new calculation of the ’clip’ property), and adds a few highly requested features which have already been widely implemented. But most of all CSS 2.1 represents a "snapshot" of CSS usage: it consists of all CSS features that are implemented interoperably at the date of publication of the Recommendation.
CSS 2.1 is derived from and is intended to replace CSS2.
Some parts of CSS2 are unchanged in CSS 2.1, some parts have been altered, and some parts removed. The removed portions may be used in a future CSS3 specification.
Future specs should refer to CSS 2.1 (unless they need features from CSS2 which have been
dropped in CSS 2.1, and then they should only reference CSS2 for those features, or preferably reference such feature(s) in the respective CSS3 Module that includes those feature(s))......
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