Examine source code of Amiga 500

{
  "theme": {
    "images": {
      "theme_frame": "amig1.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Amiga 500",
  "manifest_version": 2,
  "description": "Commodore Amiga 500 embossed logo from the front of the vintage microcomputer. Retro computers are awesome. Requires the Bookmarks Toolbar to display fully."
}