Examine source code of Nord-Boje

{
  "name": "Nord-Boje",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Bildschirmfoto 2020-10-21 um 15.58.01.png"
    },
    "colors": {
      "frame": "rgba(46, 52, 64, 1)",
      "tab_background_text": "rgba(216, 222, 233, 1)",
      "toolbar": "rgba(59, 66, 82, 1)",
      "bookmark_text": "rgba(136, 192, 208, 1)",
      "toolbar_field": "rgba(216, 222, 233, 1)",
      "toolbar_field_text": "rgba(59, 66, 82, 1)"
    }
  }
}