src/client/app/notifications/notification-indicator.component.html
<!-- TODO: When forking the starter and enabling notifications, you must provide an implementation of a notification viewer and configure the route -->
<a *ngIf="notificationsEnabled" [routerLink]="['/']" class="dropdown-toggle btn-icon" (click)="indicatorClicked()">
<span class="fa-stack fa">
<i class="fa fa-bell-o fa-stack-2x"></i>
</span>
<span *ngIf="newAlerts && unreadCount < 50" class="badge notification-badge">
{{ unreadCount }}
</span>
<span *ngIf="newAlerts && unreadCount >= 50" class="badge notification-badge">
<i class="fa fa-circle"></i>
</span>
</a>