<div style="margin-right: 10px;" class="text-right">
    <button md-mini-fab routerLink="../" color="active">
        <md-icon>backspace</md-icon>
    </button>
</div>

<div style="margin-right: 10px;" class="text-right">
    <button mat-mini-fab routerLink="../" color="active">
        <mat-icon>backspace</mat-icon>
    </button>
</div>