Examine source code of Cat Vs Mouse

{
  "theme": {
    "images": {
      "theme_frame": "haut.jpg"
    },
    "colors": {
      "frame": "#030303",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cat Vs Mouse",
  "manifest_version": 2,
  "description": "Chat contre souris\nCats do not like mice\nSpeed Cat and Mouse\nRat"
}