Examine source code of Winter-zuhause

{
  "name": "Winter-zuhause",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "DSC08508-Pano-Bearbeitet-Bearbeitet-2-Bearbeitet.jpg"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(235, 76, 76, 1)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "bookmark_text": "rgba(235, 76, 76, 1)",
      "toolbar_field": "rgba(158, 87, 87, 0)",
      "toolbar_field_text": "rgba(255, 255, 255, 0.95)"
    }
  }
}