Examine source code of fallout nv ranger

{
  "name": "fallout nv ranger",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "a8412b65d9c4b9959b16102051bfacdc.jpg"
    },
    "colors": {
      "frame": "rgba(179, 138, 25, 1)",
      "tab_background_text": "rgba(255, 204, 0, 1)",
      "toolbar": "rgba(133, 107, 5, 1)",
      "bookmark_text": "rgba(224, 168, 16, 1)",
      "toolbar_field": "rgba(204, 177, 26, 1)",
      "toolbar_field_text": "rgba(222, 209, 31, 1)"
    }
  }
}