Examine source code of passa passa

{
  "theme": {
    "images": {
      "theme_frame": "passapassista3.jpg"
    },
    "colors": {
      "frame": "#2ac72f",
      "tab_background_text": "#15d919"
    }
  },
  "version": "2.0",
  "name": "passa passa",
  "manifest_version": 2,
  "description": "a lo passa passa"
}