play button is not centered

![screen shot 2013-10-18 at 2 13 37 pm](https://f.cloud.github.com/assets/3403902/1360085/d6708348-37ee-11e3-9f8b-d79c3c412e53.png)
![screen shot 2013-10-18 at 2 14 00 pm](https://f.cloud.github.com/assets/3403902/1360088/d8f0eab8-37ee-11e3-8adc-89ca4e144710.png)