[#53420683] Updates the "create custom boxes" page.


![fullscreen_12_4_13__9_14_am](https://f.cloud.github.com/assets/2251119/1674323/5eb98ff6-5cf7-11e3-9eae-b88eac97e58d.jpg)


![fullscreen_12_4_13__9_14_am 2](https://f.cloud.github.com/assets/2251119/1674324/5ec3edde-5cf7-11e3-9424-cbd46c316c5c.jpg)


![fullscreen_12_4_13__9_15_am](https://f.cloud.github.com/assets/2251119/1674325/5ec89de8-5cf7-11e3-8151-d73b32e62b21.jpg)