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Cascading Style Sheets: The Definitive Guide
book

Cascading Style Sheets: The Definitive Guide

by Eric A. Meyer
May 2000
Intermediate to advanced content levelIntermediate to advanced
472 pages
14h 17m
English
O'Reilly Media, Inc.
Content preview from Cascading Style Sheets: The Definitive Guide

Chapter 9. Positioning

The idea behind positioning is fairly simple. It allows you to define exactly where element boxes will appear relative to where they would ordinarily be—or relative to a parent element, or another element, or even to the browser window itself. The power of this feature is both obvious and surprising. It shouldn’t be too surprising to learn that this is the part of CSS2 that user agents usually first attempt to support. Given that there were some very good positioning implementations on the horizon as the book was being completed, we felt it worthwhile to give readers a glimpse of what’s coming soon—or, if you’re reading this book a year or three after its publication, what can be done.

You may notice that, unlike other chapters, almost none of the figures in this chapter was generated with a web browser. This is something of a statement about the reliability and consistency of positioning implementations at the time of this writing: not one of them was solid enough to trust completely. It was actually easier to draw theoretical examples by hand than to take screenshots in web browsers and then retouch them in Photoshop.

This is also why this chapter is largely (but not entirely) free of browser warnings and caveats. Rather than drown the explanatory text in side notes, we have chosen to simply describe positioning as it is given by the CSS2 specification and leave things there. Perhaps the second edition of this book will contain more practical advice, but ...

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Publisher Resources

ISBN: 1565926226Catalog PageErrata