Examine source code of Midnight Rain

{
  "name": "Midnight Rain",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "ffbg.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(51, 54, 75, 1)",
      "bookmark_text": "rgba(94, 109, 126, 1)",
      "toolbar_field": "rgba(34, 32, 54, 1)",
      "toolbar_field_text": "rgba(69, 76, 98, 1)",
      "tab_line": "rgba(94, 109, 126, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06d19064-9920-4508-86ff-e918b654d393}"
    }
  }
}