Examine source code of Mist

{
  "name": "Mist",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "firefox theme.png"
    },
    "colors": {
      "frame": "rgba(148, 113, 123, 1)",
      "tab_background_text": "rgba(48, 45, 45, 1)",
      "toolbar": "rgba(179, 165, 170, 1)",
      "bookmark_text": "rgba(48, 45, 45, 1)",
      "toolbar_field": "rgba(209, 202, 202, 1)",
      "toolbar_field_text": "rgba(48, 45, 45, 1)",
      "tab_line": "rgba(43, 45, 61, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d5100f23-1e0b-49e8-bd38-2c8455cbd203}"
    }
  }
}