Examine source code of heavenly_realm

{
  "theme": {
    "images": {
      "theme_frame": "persona_sonda.jpg"
    },
    "colors": {
      "frame": "#4b75f2",
      "tab_background_text": "#ba5858"
    }
  },
  "version": "2.0",
  "name": "heavenly_realm",
  "manifest_version": 2,
  "description": "Tibet, the heavenly realm on Earth."
}