editions, the limit is the highest CSS version that you can use on your website (CSS 2.1, CSS 3, CSS 4, etc..)</p>

<p>In the case of <code>pdf</code> editions, your imagination is the only limit. PDF books are generated by <a href="http://www.princexml.com/">PrinceXML</a> transforming a HTML document using a CSS stylesheet. PrinceXML defines tens of new CSS properties and options unavailable in the CSS standards. Using these exclusive properties you can easily add amazing features to your book design and l