Examine source code of Na' Puti

{
  "name": "Na' Puti",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "firefox.jpg"
    },
    "colors": {
      "frame": "rgba(40, 42, 46, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(153, 0, 0, 1)",
      "bookmark_text": "rgba(18, 16, 16, 1)",
      "toolbar_field": "rgba(43, 43, 43, 1)",
      "toolbar_field_text": "rgba(10, 10, 5, 1)",
      "tab_line": "rgba(7, 41, 179, 1)"
    }
  }
}