Examine source code of Windows 11 Orange bloom

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Windows 11 Orange bloom",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(211, 103, 65, 0.85)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(179, 47, 35)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(255, 255, 255, 0)",
      "popup": "rgb(179, 47, 35)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(255, 255, 255, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0f229aa4-f9d6-4bc9-8532-50b5ca74e7d5}"
    }
  }
}