dice: larger font size

Current: 
![selection_049](https://cloud.githubusercontent.com/assets/1882892/3152366/4d13ba32-ea8d-11e3-9df8-984c9a060de8.png)

Larger font and no comma:
![selection_048](https://cloud.githubusercontent.com/assets/1882892/3152370/5303d350-ea8d-11e3-8783-f0ce31c3b211.png)

@chrismorast  @russellholt