Examine source code of River falling

{
  "theme": {
    "images": {
      "theme_frame": "IMG_7789.JPG"
    },
    "colors": {
      "frame": "#36de33",
      "tab_background_text": "#ebde23"
    }
  },
  "version": "2.0",
  "name": "River falling",
  "manifest_version": 2,
  "description": "Header from small river in Norway and footer from Jockefallet from Sweden"
}