Examine source code of G4TV 2

{
  "theme": {
    "images": {
      "theme_frame": "02g4_persona.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "G4TV 2",
  "manifest_version": 2,
  "description": "G4TV 2 features a more muted gray and black design, with G4's logo nestled lovingly in the upper right color. Put it on your internet web browser now and impress your friends and loved ones."
}