(#14) Correcting the addition of pure.css

Since pure.css is only used currently on the contacts page, and actually has an impact on other styles, lets only include it there.
Updating Blog Post

 - Corrected some issues with the ordered list that was being used in this post.
 - Including a specific gist caused the ordered list to not work anymore, so switched to syntax highlighting
 - Corrected some typos
Removed indenting from code block