Examine source code of SportPool

{
  "theme": {
    "images": {
      "theme_frame": "persona_sportpool.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "SportPool",
  "manifest_version": 2,
  "description": "SportPool - <a href=\"https://outgoing.prod.mozaws.net/v1/d3e438f635faf2663387a9217c3c05958df26e888bb638aa1926cfb9eda89b97/http%3A//www.sportpool.co.uk\" rel=\"nofollow\">www.sportpool.co.uk</a> - Pick 6 and win for Good Causes!"
}