Examine source code of DiscordFox

{
  "name": "DiscordFox",
  "manifest_version": 2,
  "version": "5.0",
  "theme": {
    "images": {
      "theme_frame": "DiscordFox_Header.png"
    },
    "colors": {
      "toolbar": "rgba(54, 57, 63, 0.85)",
      "toolbar_field": "rgba(54, 57, 63, 0.2)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "frame": "rgba(47, 49, 54, 1)",
      "tab_background_text": "rgba(230, 230, 230, 0.25)",
      "bookmark_text": "rgba(255, 255, 255, 1)"
    }
  }
}