Examine source code of Muji 16

{
  "name": "Muji 16",
  "manifest_version": 2,
  "version": "6.0",
  "theme": {
    "images": {
      "theme_frame": "hd16.jpg"
    },
    "colors": {
      "frame": "rgba(74, 66, 77, 1)",
      "tab_background_text": "rgba(215, 214, 195, 1)",
      "toolbar": "rgba(149, 132, 150, 0.3)",
      "toolbar_field": "rgba(34, 43, 52, 1)",
      "toolbar_field_text": "rgba(192, 191, 170, 1)",
      "tab_line": "rgba(96, 86, 97, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9f1322a3-4256-47f9-b65f-aedda13e36d2}"
    }
  }
}