Examine source code of Winters Trees

{
  "theme": {
    "images": {
      "theme_frame": "1C.jpg"
    },
    "colors": {
      "frame": "#264705",
      "tab_background_text": "#264705"
    }
  },
  "version": "2.0",
  "name": "Winters Trees",
  "manifest_version": 2,
  "description": "just snow and winter trees. Simple. Christmas, holiday, Feliz Navidad, small"
}