Examine source code of Perfect Dark

{
  "theme": {
    "images": {
      "theme_frame": "PDPersona.png"
    },
    "colors": {
      "frame": "#474646",
      "tab_background_text": "#2623f7"
    }
  },
  "version": "2.0",
  "name": "Perfect Dark",
  "manifest_version": 2,
  "description": "A Persona to show some love for the greatest game ever, Perfect Dark."
}