Add and start to refine layout styles

![screen shot 2014-11-13 at 9 54 56 am](https://cloud.githubusercontent.com/assets/223180/5030151/9160f2e0-6b1b-11e4-8803-ada5b461b774.png)

`vh` is buggy with iOS7, so use your discretion. Here's a workaround: https://gist.github.com/pburtchaell/e702f441ba9b3f76f587 if you're up for it