Examine source code of Brown Knoll

{
  "theme": {
    "images": {
      "theme_frame": "RoychCloughHighPeak08a.jpg"
    },
    "colors": {
      "frame": "#669999",
      "tab_background_text": "#010f0f"
    }
  },
  "version": "2.0",
  "name": "Brown Knoll",
  "manifest_version": 2,
  "description": "Brown Knoll and Roych Clough, the Peak Districk, UK"
}