Examine source code of BMW X1 large

{
  "theme": {
    "images": {
      "theme_frame": "persona_X1_large.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BMW X1 large",
  "manifest_version": 2,
  "description": "BMW X1 Header Image for three or more toolbars\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/14cf4c2c50190adb2184187369e4448645afcdc40addc208bde6d6ff0a87c676/http%3A//www.bmw.de/de/de/newvehicles/x1/x1/2009/introduction.html\" rel=\"nofollow\">http://www.bmw.de/de/de/newvehicles/x1/x1/2009/introduction.html</a>"
}