Examine source code of Arch BTW

{
  "name": "archbtw",
  "manifest_version": 2,
  "version": "7.0",
  "theme": {
    "images": {
      "theme_frame": "archbtw4.png"
    },
    "colors": {
      "frame": "rgba(255, 255, 255, 1)",
      "tab_background_text": "rgba(46, 46, 46, 1)",
      "toolbar": "rgba(61, 150, 209, 1)",
      "bookmark_text": "rgba(38, 219, 235, 1)",
      "toolbar_field": "rgba(250, 250, 250, 1)",
      "toolbar_field_text": "rgba(28, 28, 28, 1)"
    }
  }
}