Examine source code of BMW X5 large

{
  "theme": {
    "images": {
      "theme_frame": "persona_X5_large.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BMW X5 large",
  "manifest_version": 2,
  "description": "BMW X5 Header Image for three or more toolbars\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/d738c1afd4228bcc97f3fcee06ff12f5649043e89724f73c3241594f8c303a9f/http%3A//www.bmw.de/de/de/newvehicles/x/x5/2010/showroom/index.html\" rel=\"nofollow\">http://www.bmw.de/de/de/newvehicles/x/x5/2010/showroom/index.html</a>"
}