Examine source code of San Juan Islands

{
  "theme": {
    "images": {
      "theme_frame": "SanJuan.jpg"
    },
    "colors": {
      "frame": "#030000",
      "tab_background_text": "#faf7f7"
    }
  },
  "version": "2.0",
  "name": "San Juan Islands",
  "manifest_version": 2,
  "description": "view from Chuckanut Drive near Bellingham WA"
}