Examine source code of Dracano

{
  "theme": {
    "images": {
      "theme_frame": "dracano.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Dracano",
  "manifest_version": 2,
  "description": "For the hunters of Gnawnia and nearby regions. Although the artwork is used with permission, this Persona is not developed by HitGrab, makers of the hit game MouseHunt on Facebook."
}