<div class="container">
  <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
    <a class="navbar-brand" href="#">SignalR-Demo</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarColor01" aria-controls="navbarColor01"
      aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbarColor01">
      <ul class="navbar-nav mr-auto">
        <li class="nav-item ">
          <a class="nav-link" [routerLink]="['/home']">Home</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" [routerLink]="['/parken']">Parkhäuser</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" [routerLink]="['/benzin']">Benzinpreise</a>
        </li>
      </ul>
    </div>
    <div class="navbar-brand ">
        <span>City: {{cityService?.connectionState|async}}</span>
        <span>Chat: {{chatService?.connectionState|async}}</span>
    </div>
  </nav>
  <br/>
  <router-outlet></router-outlet>
</div>