Examine source code of Gatineau Winter

{
  "theme": {
    "images": {
      "theme_frame": "0_personagatineau.jpg"
    },
    "colors": {
      "frame": "#121f6b",
      "tab_background_text": "#0d0101"
    }
  },
  "version": "2.0",
  "name": "Gatineau Winter",
  "manifest_version": 2,
  "description": "Gatineau Park, Gatineau, Quebec, Canada"
}