Fronts on-page description

For new container types only.
### From
![screen shot 2014-09-30 at 16 46 02](https://cloud.githubusercontent.com/assets/1492162/4461274/27b92c38-48b9-11e4-8d48-2f5d5cf9bc99.png)
### To
![screen shot 2014-09-30 at 16 50 45](https://cloud.githubusercontent.com/assets/1492162/4461354/aa2a6e98-48b9-11e4-8bc8-b0f8a1fd4e0b.png)