Remove h2 indicator arrows
Style footer

Calls TWITTER_URL in settings
Full width images
Rename .post to .single

* This can now be used for posts and pages
* Is the opposite of .index
* Add the class to page.html
Scope links with icons to .single only

Links with icons should only appear in post/page body.
Restyle header

Simplify:
* No more hgroup
* 25/50/25% for elements
* All same font family and size
* Default: uppercase
* No more separator between pages
* Resizes nicely