mezzoblue/csszengarden.com — pull request #19 by GeorgeZamfir (2013-05-07 04:09:06+00:00)
Title: Introduced article & main elements; added ARIA roles 

I made the following changes:
- introduced article & main elements with sections nested inside
- extended the header element to include the h1, h2 + the 2 paragraphs
- but moved the preamble section inside main
- grouped the content inside main into sections
- added nav elements to the "archives" & "resources"
- added ARIA roles