Style fixes for recommend button and video icon

Minor style fixes for:

![screen shot 2014-11-20 at 11 49 25](https://cloud.githubusercontent.com/assets/2236852/5124115/4ec6549e-70ab-11e4-8f64-d180383c59d2.png)
Being black instead of grey

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![screen shot 2014-11-20 at 11 49 03](https://cloud.githubusercontent.com/assets/2236852/5124125/57a93f9a-70ab-11e4-9882-41a7bdcf701d.png)
Being off centre 

cc @mattosborn