Examine source code of Eden Development

{
  "theme": {
    "images": {
      "theme_frame": "eden-persona.jpg"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#c9c9c9"
    }
  },
  "version": "2.0",
  "name": "Eden Development",
  "manifest_version": 2,
  "description": "Eden Development - crafting websites and web applications\n\n<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/f266b292026651e1ddffe2335b2973320062945c75b2cc3a0a7b5334feb71fd0/http%3A//www.edendevelopment.co.uk\">http://www.edendevelopment.co.uk</a>"
}