Examine source code of Berlin Mitte

{
  "theme": {
    "images": {
      "theme_frame": "20081018_mitte_panorama_west_personas3.jpg"
    },
    "colors": {
      "frame": "#900bb5",
      "tab_background_text": "#28c2ed"
    }
  },
  "version": "2.0",
  "name": "Berlin Mitte",
  "manifest_version": 2,
  "description": "Berlin Mitte von der Bundespressekonferenz, Blick Richtung Berlin West."
}