Examine source code of Nissan

{
  "name": "Nissan",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "Nissan gtr.jpg"
    },
    "colors": {
      "toolbar": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(201, 209, 206, 0.97)",
      "toolbar_field_text": "rgba(168, 16, 16, 1)",
      "frame": "rgba(229, 227, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(179, 13, 13, 1)"
    }
  }
}