Appendix B: Replacing Presentational HTML with CSS

One of the goals of the Cascading Style Sheets language is to move presentational effects out of the HTML markup, achieving a separation of content from presentation. Such a separation has many benefits, especially for users with special needs, as discussed in Hour 21, "Accessibility and Internationalization."

The HTML 4.01 specification defines three varieties of HTML -- Strict, Transitional, and Frameset -- as detailed in Hour 4, "Using CSS with HTML." Within this framework, specific HTML tags and attributes have been designated as deprecated. Deprecated tags are considered obsolete and are intended to be removed from future versions of the HTML language. Strict HTML disallows the use of these tags and attributes, instead relying on CSS rules for the same effects.

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CSS in 24 Hours
Teach Yourself CSS in 24 Hours was published in 2002 by SAMS Publishing and provides a solid introduction to Cascading Style Sheets.

Chapter Links

Introduction
Hour 1
Hour 2
Hour 3
Hour 4
Hour 5
Hour 6
Hour 7
Hour 8
Hour 9
Hour 10
Hour 11
Hour 12
Hour 13
Hour 14
Hour 15
Hour 16
Hour 17
Hour 18
Hour 19
Hour 20
Hour 21
Hour 22
Hour 23
Hour 24
Appendix A
Appendix B
Appendix C