The Firefox UI library (presented here at http://buildingfirefoxos.com http://buildingfirefoxos.com) is part of Firefox OS. It contains HTML/CSS elements that a

The Firefox UI library (presented here at http://buildingfirefoxos.com http://buildingfirefoxos.com) is part of Firefox OS. It contains HTML/CSS elements that are used to build up the Firefox OS core system. These elements are all included. However, the 'native look nd feel' applies to Firefox OS, not to other platforms. That doesn't mean that it won't work there either of course, it'll just look Firefox OS'y :-)