Bug 905976 - (Followup #893707) - [bb][refactor] Headers

* Applied correct specification for rotation support from: 
![headers](https://f.cloud.github.com/assets/532028/992437/29de2462-097e-11e3-8ad4-301267e06773.jpg)
* Removed `!important` declarations
* Moved `<h1>` tag at the top of the container (now using `display: flex`)
* Icons base crop area returned to 30px as is no longer needed to scale it down for rotation support