Examine source code of Keystone Landing

{
  "theme": {
    "images": {
      "theme_frame": "Keystone-Landing-3.jpg"
    },
    "colors": {
      "frame": "#f5f50e",
      "tab_background_text": "#216962"
    }
  },
  "version": "2.0",
  "name": "Keystone Landing",
  "manifest_version": 2,
  "description": "Morning Mist at Keystone Landing on the AuSable River , Michigan"
}