Add styling

Add prototype structure/styling to events page.

![image](https://cloud.githubusercontent.com/assets/1809908/5541754/58c82eb2-8aab-11e4-8702-f4c742ca0e8b.png)

Now that break lines are provided by CSS, I think this `<hr/>` has to go. I'm getting double lines when I check this out:
![screenshot from 2014-12-23 15 36 48](https://cloud.githubusercontent.com/assets/1699455/5542834/87472528-8ab9-11e4-8883-2c99a6d4c94d.png)