Minimal Layout

### Requirement

Show `popup` dialog from @lonelyplanet/luna to process user consent. A simple, minimal, layout is required to show the form, with no other distractions (e.g. Search, Navigation, Breadcrumbs)

### Implementation Issues

* Header loses blue background in reduced width viewport
* Title width change on hover

### Previews

![screen shot 2014-06-23 at 12 04 28](https://cloud.githubusercontent.com/assets/144170/3356759/3bac9784-fac6-11e3-87d4-0e8f40bab2d0.png)

![screen shot 2014-06-23 at 14 11 42](https://cloud.githubusercontent.com/assets/144170/3357920/f661b436-fad7-11e3-8654-cfd9089753f6.png)

![screen shot 2014-06-23 at 14 14 59](https://cloud.githubusercontent.com/assets/144170/3357959/67c64af6-fad8-11e3-8dc2-b1ce2d5a3a5b.png)
No it means it's always visible. It's visible at small viewports by default