Examine source code of Metal Tribute

{
  "theme": {
    "images": {
      "theme_frame": "Personacopy.png"
    },
    "colors": {
      "frame": "#808080",
      "tab_background_text": "#574f4f"
    }
  },
  "version": "2.0",
  "name": "Metal Tribute",
  "manifest_version": 2,
  "description": "Just a fun thing and a tribute to some bands i like, if you like it wear it if not fine by me :)"
}