Most examples are real world examples stuff that you can begin to use on the websites you develop immediately. The book focuses on the learning HTML 5 and CSS 3 by the use of HTML 5 elements and CSS 3 attributes today in such a way that web pages created using these techniques are 'Future Proof'. These WebPages will degrade gracefully and work successfully when executed in on HTML 5 and CSS 3 complaint Browsers (Old versions of Modern Browsers) and will deliver a great site visitor experience to those visitors who visit your website using HTML 5 and CSS 3 compliant Browsers (most modern versions of today's Browsers). This book addresses the needs of intermediate level web developers. Knowledge of HTML 5 and CSS 3 is assumed. For intermediate level web developers the book's content and the free give away on the CD-ROM will be very useful.