Examine source code of DogerFox

{
  "name": "DogerFox",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "firefox is the best at it's legs!.png"
    },
    "colors": {
      "toolbar": "rgba(237, 136, 86, 1)",
      "toolbar_field": "rgba(255, 165, 31, 0)",
      "toolbar_field_text": "rgba(255, 197, 8, 1)",
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "bookmark_text": "rgba(255, 196, 0, 1)"
    }
  }
}