Examine source code of Dark Miami

{
  "name": "Dark Miami",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "2307629-3028x1872-desktop-hd-art-deco-background-2620841692.jpg"
    },
    "colors": {
      "frame": "rgba(50, 57, 69, 1)",
      "tab_background_text": "rgba(179, 147, 153, 1)",
      "toolbar": "rgba(74, 93, 120, 0.34)",
      "bookmark_text": "rgba(179, 147, 153, 1)",
      "toolbar_field": "rgba(209, 69, 144, 0.3)",
      "toolbar_field_text": "rgba(179, 147, 153, 1)",
      "tab_line": "rgba(232, 37, 102, 0.15)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ebc0c726-22a8-4e30-b0ac-b14500b12faa}"
    }
  }
}