Tweaking the submission form — making it responsive

Comes with this patch:
* a lighter style for inputs 
![2014-05-21-192130_726x319_scrot](https://cloud.githubusercontent.com/assets/914451/3043113/dba0d062-e102-11e3-9d7d-06a6ea3cdb11.png)
* Fix : issue #39 
* Fix: issue #84