bitwarden-estensione-browser/src/popup/components/pop-out.component.html

<ng-container>
  <button type="button" (click)="expand()" appA11yTitle="{{ 'popOutNewWindow' | i18n }}">
    <i class="fa fa-external-link fa-rotate-270 fa-lg fa-fw" aria-hidden="true"></i>
  </button>
</ng-container>