Examine source code of Bombs3D

{
  "theme": {
    "images": {
      "theme_frame": "3DBombs_Header.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Bombs3D",
  "manifest_version": 2,
  "description": "Created in Blender 3D and used as a Desktop Wallpaper. Now a Firefox Persona for all to enjoy.\n\nCreated By SEspider Productions"
}