Fix spacing on top of article containers

## Bifaure

![screen shot 2014-05-30 at 12 39 07](https://cloud.githubusercontent.com/assets/85783/3130172/f41671aa-e7f2-11e3-9848-49f617401353.PNG)
![screen shot 2014-05-30 at 12 37 42](https://cloud.githubusercontent.com/assets/85783/3130173/f6e40bcc-e7f2-11e3-9d57-51f794b70d1f.PNG)
![screen shot 2014-05-30 at 12 59 18](https://cloud.githubusercontent.com/assets/85783/3130174/f9879114-e7f2-11e3-8ea2-2731639e8050.PNG)


## Aftère
 
![screen shot 2014-05-30 at 12 59 24](https://cloud.githubusercontent.com/assets/85783/3130175/ff43bb1e-e7f2-11e3-80c2-de39934eff03.PNG)

![screen shot 2014-05-30 at 12 37 25](https://cloud.githubusercontent.com/assets/85783/3130177/068e619e-e7f3-11e3-87a0-f69d4c341315.PNG)

![screen shot 2014-05-30 at 13 08 19](https://cloud.githubusercontent.com/assets/85783/3130183/1d9e7cca-e7f3-11e3-922c-5b0e3fb03e9f.PNG)

![drinking-from-teh-firehose](https://cloud.githubusercontent.com/assets/85783/3130220/f46e30ba-e7f3-11e3-8b5f-a4f607668247.gif)