<div mat-dialog-content>
  <a [href]="data.url">{{ data.url }}</a>
  <div [style.background-image]="'url('+qrCode+')'" alt="qrcode" class="qrcode"></div>
</div>
<div mat-dialog-actions>
  <button [mat-dialog-close]="true" cdkFocusInitial mat-button>Schließen</button>
  <button (click)="share()" mat-button>Teilen</button>
</div>
