bitwarden-estensione-browser/angular/src/components/icon.component.html

<div class="icon" aria-hidden="true">
  <img [src]="image" appFallbackSrc="{{ fallbackImage }}" *ngIf="imageEnabled && image" alt="" />
  <i class="fa fa-fw fa-lg {{ icon }}" *ngIf="!imageEnabled || !image"></i>
</div>