scouting/www/counter_button/counter_button.ng.html

<h4><ng-content></ng-content></h4>
<button (click)="update(1)" class="btn btn-secondary btn-block no-touch-action">
  +
</button>
<h3>{{value}}</h3>
<button
  (click)="update(-1)"
  class="btn btn-secondary btn-block no-touch-action"
>
  -
</button>