Examine source code of Predator-Fox Version 3

{
  "theme": {
    "images": {
      "theme_frame": "header.jpg"
    },
    "colors": {
      "frame": "#595959",
      "tab_background_text": "#878383"
    }
  },
  "version": "2.0",
  "name": "Predator-Fox Version 3",
  "manifest_version": 2,
  "description": "3rd Version of my persona Predator-Fox\nwith cooler design. Try it!"
}