t-button-toggle value="DECODE" class="toolbar-button-toggle" color="accent">
                    Decode
                    </mat-button-toggle>
                </mat-button-toggle-group>
            </mat-toolbar>
        </mat-card-header>
        <mat-card-content>

            <div class="option-row">

            </div>
            <div class="tow-cols">
                <div>
                    <app-text-editor class="app-text-editor" #txtText1 (onValueChanged)="handleText()" value=""></a