Examine source code of Toronto_Canada_Day

{
  "name": "Toronto",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "pexels-photo-1292843jgyfyfuyuyy.jpeg"
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.03)",
      "toolbar_field": "rgba(255, 255, 255, 0.47)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "frame": "rgba(255, 255, 255, 0.64)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "bookmark_text": "rgba(103, 221, 245, 0.63)"
    }
  }
}