Examine source code of BMW Speedo large

{
  "theme": {
    "images": {
      "theme_frame": "persona_Speed_large.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BMW Speedo large",
  "manifest_version": 2,
  "description": "BMW Speedo Header Image for three or more toolbars.\n\n<a href=\"https://outgoing.prod.mozaws.net/v1/1d08b122a54b2ab818fa90c279ace48cfced9a4f908e7bfa0ee81da87a6aedfc/http%3A//www.bmw.de\" rel=\"nofollow\">http://www.bmw.de</a>"
}