Design adjustments.

Redesigned this site a little.

- Clearer hierarchy for overlay content
- Properly responsive on mobile, plus responsive typography so it'll look good on really big screens.

Big:
![screen shot 2013-05-01 at 6 02 12 pm](https://f.cloud.github.com/assets/108094/451396/cf6f129a-b2aa-11e2-882f-2fa9f1f935bd.png)

Little:
![screen shot 2013-05-01 at 6 01 43 pm](https://f.cloud.github.com/assets/108094/451398/d263ccde-b2aa-11e2-8f81-706e599f12c8.png)

Mobile:
![screen shot 2013-05-01 at 6 03 12 pm](https://f.cloud.github.com/assets/108094/451400/f8c57fbc-b2aa-11e2-8111-0ba6f4cf2525.png)