Examine source code of Mon lapin

{
  "theme": {
    "images": {
      "theme_frame": "personas7.jpg"
    },
    "colors": {
      "frame": "#12e8b3",
      "tab_background_text": "#0c19d1"
    }
  },
  "version": "2.0",
  "name": "Mon lapin",
  "manifest_version": 2,
  "description": "Mon lapin que j'aime fort"
}