Examine source code of Dragons eye

{
  "theme": {
    "images": {
      "theme_frame": "Persona.jpg"
    },
    "colors": {
      "frame": "#919191",
      "tab_background_text": "#f5f113"
    }
  },
  "version": "2.0",
  "name": "Dragons eye",
  "manifest_version": 2,
  "description": "It's a dragon's eye and the tip of it's tail.\n(Made with paint)"
}