Examine source code of panorama austria

{
  "theme": {
    "images": {
      "theme_frame": "oissachersee.JPG"
    },
    "colors": {
      "frame": "#15308f",
      "tab_background_text": "#e6d812"
    }
  },
  "version": "2.0",
  "name": "panorama austria",
  "manifest_version": 2,
  "description": "panorama oissachersee austria"
}