Examine source code of Hanami Hotel Danang

{
  "name": "Kiritsugu Emiya",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Kiritsugu Emiya.png"
    },
    "colors": {
      "frame": "rgba(71, 126, 255, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(112, 102, 255, 1)",
      "toolbar_field": "rgba(97, 100, 255, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0e4d0ad-d517-4454-b34b-b2f72fbb8bb6}"
    }
  }
}