Fix visual bug of footer overlapping body

Fixes a visual bug in which footer is overlapping with body.

Before fix:

![screen shot 2014-02-08 at 8 47 39 pm](https://f.cloud.github.com/assets/544572/2118060/be8ca43a-90f1-11e3-913a-f872baf85bab.png)

After fix:

![screen shot 2014-02-08 at 8 47 49 pm](https://f.cloud.github.com/assets/544572/2118062/cf7a7164-90f1-11e3-853a-b1cc5346ec4b.png)