Examine source code of ReCreate Yourself

{
  "theme": {
    "images": {
      "theme_frame": "upside.png"
    },
    "colors": {
      "frame": "#6e6a6a",
      "tab_background_text": "#030303"
    }
  },
  "version": "2.0",
  "name": "ReCreate Yourself",
  "manifest_version": 2,
  "description": "The Personas website is so wonderful that we wish to take it with us, as a Persona itself. As a remember that is important to be what you are, nothing less. Hope it will not cause Copyright Infringement."
}