HTML5 Compliant

index.html now passes the W3C Validator.
Readability improvements and adding comments

I've begun doing Readability Improvements and adding comments to the
"script.js" file.
Added Comments and Improved Readability

Added comments to provide some basic documentation and aid in future
debugging.
Additional Comments added
CSS File Edit

Changed CSS File to apply changes to sections not Div's
Added Comments and Fixed CSS Breakage.

Earlier patch did not adjust CSS file to restyle the Section Tags and
were still styling Div's
Merge pull request #1 from a-l-d/master

HTML5 Compliance