Examine source code of Dark and dirty Fox

{
  "name": "Dark and dirty Fox",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "dirty.jpg"
    },
    "colors": {
      "frame": "rgba(0, 3, 8, 1)",
      "tab_background_text": "rgba(250, 245, 245, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8cd5b420-60f1-4325-9a74-388a932cd0cd}"
    }
  }
}