Examine source code of RAF Rescue Helicopter

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#e6d3c2",
      "tab_background_text": "#b96a00"
    }
  },
  "version": "2.0",
  "name": "RAF Rescue Helicopter",
  "manifest_version": 2,
  "description": "R.A.F. rescue helicopter flies over the harbour lighthouse in Scarborough, North Yorkshire, England. Photograph taken May 2008."
}