Examine source code of Kinnoull Hill

{
  "theme": {
    "images": {
      "theme_frame": "fallen3199.jpg"
    },
    "colors": {
      "frame": "#b3b1b1",
      "tab_background_text": "#b3b1b1"
    }
  },
  "version": "2.0",
  "name": "Kinnoull Hill",
  "manifest_version": 2,
  "description": "Landscape image taken by me in Perthshire, Scotland..."
}