Normalise height of content meta data containers

### Before 
![google chrome](https://cloud.githubusercontent.com/assets/80089/3933993/08cac478-2486-11e4-89c6-87c281224527.png)

### After
![google chrome](https://cloud.githubusercontent.com/assets/80089/3933995/0d673ed0-2486-11e4-8b9e-7f2818e67467.png)