Fix zone colors

- [Fixes] chrome bug where all sections in fronts were green
- [Fixes] Zone color in cards on the section name


### Correct color for the section name (here: blue)
![screen shot 2013-08-21 at 11 36 43](https://f.cloud.github.com/assets/85783/1000512/9a827e14-0a4d-11e3-83b0-4cfcc29707a7.PNG)

### Double rainbow all the way
![screen shot 2013-08-21 at 11 42 56](https://f.cloud.github.com/assets/85783/1000545/7a014f98-0a4e-11e3-8985-a9f0a689787e.PNG)


![Piou piou](http://catoverflow.com/cRFjgSHv)