Examine source code of river isar 4

{
  "theme": {
    "images": {
      "theme_frame": "isar8a.jpg"
    },
    "colors": {
      "frame": "#ccb9b1",
      "tab_background_text": "#2b1907"
    }
  },
  "version": "2.0",
  "name": "river isar 4",
  "manifest_version": 2,
  "description": "impression from the river isar in germany near \"Vorderriss\", summer 2009"
}