Fix layout columns

Before:

![swc](https://cloud.githubusercontent.com/assets/1506457/4965963/eaa0784e-67a1-11e4-814e-1827c9506f4b.jpg)

After:

![swc2](https://cloud.githubusercontent.com/assets/1506457/4965965/f4b1cf54-67a1-11e4-9d1a-31eaa84d4550.jpg)