Examine source code of Magical Midnight

{
  "name": "Magical Midnight",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Magical Midnight.png"
    },
    "colors": {
      "frame": "rgba(224, 238, 251, 1)",
      "tab_background_text": "rgba(17, 32, 117, 1)",
      "toolbar": "rgba(224, 238, 252, 0.5)",
      "bookmark_text": "rgba(17, 32, 117, 1)",
      "toolbar_field": "rgba(255, 255, 255, 0.56)",
      "toolbar_field_text": "rgba(75, 138, 207, 1)",
      "tab_line": "rgba(245, 205, 112, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{912a098c-6ea1-4b00-8531-809d45ed65cf}"
    }
  }
}