Examine source code of Riding Into the Sunset

{
  "theme": {
    "images": {
      "theme_frame": "RideEmCowboyHCustom.jpg"
    },
    "colors": {
      "frame": "#ff6600",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Riding Into the Sunset",
  "manifest_version": 2,
  "description": "cowboys, horse, sky, sunset, rope, roping, western, ride, night, roper,"
}