Examine source code of BMW E46 3 Series

{
  "theme": {
    "images": {
      "theme_frame": "Personas---E46-Mikeleus.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "BMW E46 3 Series",
  "manifest_version": 2,
  "description": "The ultimate driving machine.\n\n*Updates*\n*made the car a little bit smaller so it could better fit."
}