Examine source code of final attack

{
  "theme": {
    "images": {
      "theme_frame": "f.a.jpg"
    },
    "colors": {
      "frame": "#1c4728",
      "tab_background_text": "#42e3ce"
    }
  },
  "version": "2.0",
  "name": "final attack",
  "manifest_version": 2,
  "description": "final attack"
}