comment.component.html

<form>
    <li>
      <mat-card>
        <mat-card-content>
          <b> <!-- insert subject of comment --> </b><br>

          <!-- insert comment -->
        </mat-card-content>
        <mat-card-footer>
          <div class="date">
            <i> <!-- insert date of comment --> </i>
          </div>
        </mat-card-footer>
      </mat-card><br>
    </li>


  <button mat-raised-button color="primary">back</button>
</form>