Fix position of Soulmates slogan on mobile

Before:
![screen shot 2014-11-10 at 11 37 41](https://cloud.githubusercontent.com/assets/813383/4975249/f081607a-68cd-11e4-8b32-c18eeca9d7f7.png)

After:
![screen shot 2014-11-10 at 11 38 49](https://cloud.githubusercontent.com/assets/813383/4975261/26a00328-68ce-11e4-8126-59c00f215ae5.png)

/cc @austinh7