Examine source code of BMW 7er large

{
  "theme": {
    "images": {
      "theme_frame": "persona_F01_large.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BMW 7er large",
  "manifest_version": 2,
  "description": "BMW 7er Sedan Header Image for three or more toolbars.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/97b46f7bc032b1238bacbe85aaa177d11a19c1f777e27dad434b99c7641e30d0/http%3A//www.bmw.de/de/de/newvehicles/7series/sedan/2008/introduction.html\" rel=\"nofollow\">http://www.bmw.de/de/de/newvehicles/7series/sedan/2008/introduction.html</a>"
}