Modifies styles for modal

Take a look at how it looks here.

*Please note* that this component is fully-managed by Marionette. So yay!

![screen shot 2014-03-03 at 7 39 23 pm](https://f.cloud.github.com/assets/782448/2312373/5944f91c-a2fb-11e3-8dbe-072c1a4b75e3.png)