Examine source code of Frosted for Winter

{
  "theme": {
    "images": {
      "theme_frame": "FrostedforWinterH.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Frosted for Winter",
  "manifest_version": 2,
  "description": "winter, snow, trees, ice, cold, eagle, forest, December, January. snow, bird of prey, national bird\n\nDesigned by MaDonna"
}