Examine source code of Dark mode pink hints

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark mode pink hints",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(30, 30, 30)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(221, 221, 221)",
      "toolbar_field": "rgb(60, 60, 60)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(205, 35, 185)",
      "popup": "rgb(25, 25, 25)",
      "popup_text": "rgb(238, 238, 238)",
      "tab_loading": "rgb(205, 35, 185)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{22ac71a7-2677-40ec-a8bb-55fea7c91466}"
    }
  }
}