Examine source code of darkMagicGirl

{
  "name": "darkMagicGirl",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "blue.png"
    },
    "colors": {
      "frame": "rgba(9, 31, 44, 1)",
      "tab_background_text": "rgba(162, 136, 217, 1)",
      "toolbar": "rgba(9, 31, 44, 1)",
      "bookmark_text": "rgba(245, 177, 204, 1)",
      "toolbar_field": "#071823",
      "toolbar_field_text": "rgba(245, 177, 204, 1)",
      "tab_line": "rgba(147, 232, 211, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4f04e5fa-7941-430b-a8d2-3e052e02e465}"
    }
  }
}