`.bar-footer` stops getting `bottom: 0`
Not sure what happened but for some reason `.bar-footer` has stopped getting `bottom: 0`. 

I haven't looked at it closely yet. It may only be in the docs.

Screen of the `.bar-footer` in the docs on the top instead of the bottom:
![screen shot 2014-03-03 at 9 59 43 am](https://f.cloud.github.com/assets/874145/2312695/73e8b7fa-a2ff-11e3-8311-fd17f1120638.png)
