<h2 highlight="gold">My Heroes</h2>
<ul class="heroes">
  <li *ngFor="let hero of heroes | async ">
    <button [class.selected]="hero === selectedHero" type="button" (click)="onSelect(hero)">
      <span class="badge">{{hero.id}}</span>
      <span class="name">{{hero.name}}</span>
    </button>
  </li>
</ul>
