Examine source code of Canin in winter

{
  "theme": {
    "images": {
      "theme_frame": "canin_head.jpg"
    },
    "colors": {
      "frame": "#00ffff",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Canin in winter",
  "manifest_version": 2,
  "description": "The peaks of the Canin ridge covered in snow"
}