added pink and small badge styles

This is for the impending 'new' badge addition for the global nav.

![image](https://cloud.githubusercontent.com/assets/1341391/3215850/83c92402-efc6-11e3-839c-0112b5b2f045.png)

@bentedder this could be a problem for what you fixed on friday RE the width of the textbox on small screens