Examine source code of Sand Dunes, Mongolia

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#242e4d",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Sand Dunes, Mongolia",
  "manifest_version": 2,
  "description": "The view from a ger camp in the Khogno Khan Mountains of central Mongolia."
}