Examine source code of Ravensbourne1

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "#c9c1c1",
      "tab_background_text": "#402c08"
    }
  },
  "version": "2.0",
  "name": "Ravensbourne1",
  "manifest_version": 2,
  "description": "This is a theme based upon the Ravensbourne branding. \nCredit to Ravensbourne: <a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/1fe3e878b6ac56e29898c5c4295292ed21f5c429835689d3bd25d3bfeb1f7fdd/http%3A//www.ravensbourne.ac.uk/%E2%80%8E\">www.ravensbourne.ac.uk/‎</a>"
}