Examine source code of Toudra

{
  "theme": {
    "images": {
      "theme_frame": "nkkin.jpg"
    },
    "colors": {
      "frame": "#ecf241",
      "tab_background_text": "#f26a16"
    }
  },
  "version": "2.0",
  "name": "Toudra",
  "manifest_version": 2,
  "description": "La princesse toudra"
}