Examine source code of Cubical Interface

{
  "theme": {
    "images": {
      "theme_frame": "CubicalInterfaceHeader.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#00ff00"
    }
  },
  "version": "2.0",
  "name": "Cubical Interface",
  "manifest_version": 2,
  "description": "Ehm... What I say? :\\ Well I made this to get other point of view and... a little hard to avoid reach out the 300KB (wich I have optimized with PNGOUT) of the image nevertheless, it looks great on my Firefox! :D I'll release some more... Over and out!"
}