Examine source code of Dark Fox 2.1

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-1copy.jpg"
    },
    "colors": {
      "frame": "#030521",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Dark Fox 2.1",
  "manifest_version": 2,
  "description": "creating this persona I'd looked up to default dark fox but I've enhanced it a little"
}