Examine source code of Windows 10/11 Blau/Blue

{
  "name": "windows 10 Blau",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "Win10Blau.png"
    },
    "colors": {
      "frame": "rgba(0, 120, 212, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(235, 235, 235, 1)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{54558ca1-eeec-44da-a967-d64978008d9b}"
    }
  }
}