Examine source code of Spore1

{
  "theme": {
    "images": {
      "theme_frame": "sporefirefoxfinish.jpg"
    },
    "colors": {
      "frame": "#0d1ad9",
      "tab_background_text": "#0d1ad9"
    }
  },
  "version": "2.0",
  "name": "Spore1",
  "manifest_version": 2,
  "description": "My first Persona.\n(Favorite game is Spore)"
}