Style & structure fixes for mobile user page

![screenshot - 08132014 - 12 37 56 pm](https://cloud.githubusercontent.com/assets/627891/3911474/9ac70c8a-2321-11e4-9961-31962c0a090a.png)

![screenshot - 08132014 - 12 43 59 pm](https://cloud.githubusercontent.com/assets/627891/3911527/3c1b8fc0-2322-11e4-8eb4-e63690756337.png)