Examine source code of Blue Royal Modern

{
  "name": "Blue Royal Modern",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "Lovely Blue Top_edited-1.jpg"
    },
    "colors": {
      "toolbar": "rgba(255, 255, 255, 0.01)",
      "toolbar_field": "rgba(12, 20, 61, 0.49)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "frame": "rgba(227, 229, 232, 0.02)",
      "tab_background_text": "rgba(255, 255, 255, 0.99)",
      "bookmark_text": "rgba(245, 245, 245, 1)"
    }
  }
}