Examine source code of Earth attackZ

{
  "theme": {
    "images": {
      "theme_frame": "earth-for-mozzila.jpg"
    },
    "colors": {
      "frame": "#00c8ff",
      "tab_background_text": "#00c8ff"
    }
  },
  "version": "2.0",
  "name": "Earth attackZ",
  "manifest_version": 2,
  "description": "Earth attackZ"
}