Examine source code of AppleStyledTheme 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Macos",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(26, 26, 26)",
      "toolbar_text": "rgb(245, 245, 245)",
      "frame": "rgb(73, 73, 73)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgba(64, 64, 64, 0.2)",
      "toolbar_field_text": "rgb(242, 242, 242)",
      "tab_line": "rgb(26, 26, 26)",
      "popup": "rgba(26, 26, 26, 0.75)",
      "popup_text": "rgb(242, 242, 242)",
      "button_background_active": "rgb(30, 30, 30)",
      "ntp_background": "rgb(30, 30, 30)",
      "popup_border": "rgb(0, 0, 0)",
      "tab_loading": "rgb(26, 26, 26)"
    }
  }
}