Examine source code of Gothic Moon by MaDonna

{
  "name": "Gothic Moon by MaDonna",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "goth1H.jpg"
    },
    "colors": {
      "frame": "rgba(1, 1, 1, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(142, 139, 120, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(143, 140, 120, 0.07)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{11a78746-86bf-4e0e-8873-f357b224c274}"
    }
  }
}