Improve appearence of credit card list

# Before
![screen shot 2014-03-07 at 14 25 09](https://f.cloud.github.com/assets/667753/2359915/75a2ffee-a61d-11e3-9fb0-d10723ad5acd.png)

# After
![screen shot 2014-03-07 at 14 41 47](https://f.cloud.github.com/assets/667753/2360101/d2330180-a61f-11e3-889a-9db82363f119.png)