Examine source code of Rangers v.1

{
  "theme": {
    "images": {
      "theme_frame": "persona_head.jpg"
    },
    "colors": {
      "frame": "#08260a",
      "tab_background_text": "#0b540c"
    }
  },
  "version": "2.0",
  "name": "Rangers v.1",
  "manifest_version": 2,
  "description": "First persona... Dark green digital camo and grey letters spelling out RANGERS"
}