Examine source code of Arknights - W

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Arknights - W",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(119, 119, 119)",
      "toolbar_text": "rgb(231, 231, 231)",
      "frame": "rgb(35, 35, 37)",
      "tab_background_text": "rgb(231, 231, 231)",
      "toolbar_field": "rgb(152, 12, 15)",
      "toolbar_field_text": "rgb(231, 231, 231)",
      "tab_line": "rgb(250, 25, 39)",
      "popup": "rgb(218, 217, 217)",
      "popup_text": "rgb(48, 48, 48)",
      "tab_loading": "rgb(250, 25, 39)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c8392c23-0d1c-4303-b191-5eb9a05b04e0}"
    }
  }
}