<div class="screen-container">

    <course-detail-header [course]="course$ | async" [lessons]="lessons$ | async"
        [firstName]="(user$  | async).firstName" (subscribe)="onSubscribe($event)">
    </course-detail-header>

    <table class="table lessons-list card card-strong">
        <tbody>
        <tr *ngFor="let lesson of (lessons$ | async)">....</tr>
        </tbody>
    </table>
  
</div>