Examine source code of Santorini Cliffs

{
  "theme": {
    "images": {
      "theme_frame": "SantoriniSouthPan.jpg"
    },
    "colors": {
      "frame": "#2e35f5",
      "tab_background_text": "#0c306e"
    }
  },
  "version": "2.0",
  "name": "Santorini Cliffs",
  "manifest_version": 2,
  "description": "A panorama of the island of Santorini, Greece."
}