Examine source code of rossi th doktor

{
  "theme": {
    "images": {
      "theme_frame": "Valentino_Rossi_by_ospyder1.jpg"
    },
    "colors": {
      "frame": "#fafa23",
      "tab_background_text": "#c90a0a"
    }
  },
  "version": "2.0",
  "name": "rossi th doktor",
  "manifest_version": 2
}