code-input.component.html

<div fxLayout="row wrap" fxLayoutAlign="center stretch">
  <mat-card fxFlex="0 0 400px">
    <form [formGroup]="codeinputform" (ngSubmit)="codeinput()">
      <mat-card-title>{{ 'login_codeInputTitle' | customtext:'login_codeInputTitle':cts.updateCount }}</mat-card-title>
      <mat-card-subtitle>{{ 'login_codeInputPrompt' | customtext:'login_codeInputPrompt':cts.updateCount }}</mat-card-subtitle>
      <mat-card-content>
        <mat-form-field>
          <input matInput formControlName="code"> <!-- no placeholder! -->
        </mat-form-field>
        <p style="color: chocolate"><b>{{ problemText }}</b></p>
      </mat-card-content>
      <mat-card-actions>
        <button mat-raised-button type="submit" [disabled]="codeinputform.invalid" color="primary">Weiter</button>
        <button mat-raised-button color="foreground" (click)="resetLogin()">Neu anmelden</button>
      </mat-card-actions>
    </form>
  </mat-card>

  <mat-card fxFlex="0 0 400px" class="mat-card-gray">
    <mat-card-title>{{ 'app_title' | customtext:'app_title':cts.updateCount }}</mat-card-title>

    <mat-card-content>

      <status-card></status-card>

    </mat-card-content>
    <mat-card-actions>
      <button [routerLink]="['/priv']" mat-raised-button color="primary">Impressum/Datenschutz</button>
    </mat-card-actions>
  </mat-card>
</div>