product​

{{#form "product" product id="productFrom" class="productFrom"}}
<div style="margin-bottom:10px;">
  <input type="number" required step="1" form="product-form-{{section.id}}" name="quantity" min='1' max='999' value='1'/>
</div>
<div style="margin-bottom:10px;">
  <input type="hidden" name="id" value="{{default product.selected_or_first_available_variant.id (get 'id' (first product.variants))}}" />
</div>
<button style="margin-bottom:10px;" class='btn btn-primary' type='submit'>{{ t 'products.product_list.add_to_cart' }}</button>
{{ payment_button }}
{{/form}}