Examine source code of JDownloader Theme

{
  "name": "JDownloader Theme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "jd-3.png"
    },
    "colors": {
      "frame": "rgba(140, 140, 140, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(80, 97, 76, 0.46)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(96, 102, 64, 0.56)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(121, 189, 64, 0.52)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b289e52c-6f4f-4d04-b05d-e5988e4dbe45}"
    }
  }
}