It is completely free. It has more than 60 pages of content.
CSS3 Guide
We present a complete guide de CSS3 which serves to learn some of the most interesting aspects of the new version of the cascading style sheets. The guide, which is distributed in PDF format, is completely free and has a Creative Commons Attribution-NonCommercial license, so anyone can help improve it as long as they acknowledge the initial authorship of Antonio Navajas Ojeda.
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La Complete Guide to CSS3 by Antonio Navajas Ojeda has 63 pages of content in which some of the more interesting features of CSS3, which allow to make "more elaborate, dynamic websites with greater separation between styles and content." Its size is 3 MB and can be downloaded from the following link: Complete Guide to CSS3.
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