Fix #17 Firefox OS 2.0 feeling

...ns, images; based on Firefox 2.0+ OS"

The integrated concepts of color, typography, shapes, icons, images,
following the guideline Haida .... based on Firefox 2.0+ OS
I added these lines to indicate they are the new styles of Building B, because not all the files actualize the new version of BB, used only the most ....
/* ----------------------------------
 * Buttons new