src/app/core/error-message-top-bar/error-message-top-bar.component.html
<section *ngIf="showMessage" class="error">
<mat-icon>warning</mat-icon>
<span>{{ message.status + ': '}}{{ message.message }} <br>
<small>{{ message.help }}</small>
</span>
<mat-icon class="closeDialog" (click)="closeDialog()">cancel</mat-icon>
</section>