Examine source code of BMW E39

{
  "theme": {
    "images": {
      "theme_frame": "200x3000.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#f7cb08"
    }
  },
  "version": "2.0",
  "name": "BMW E39",
  "manifest_version": 2,
  "description": "Headlights of a BMW E39"
}