anchor.diff:      <% if @product.price_in(current_currency) && !@product.price.nil? %>
         <div data-hook="product_price" class="col-md-5">
           <div id="product-price">
  -          <h6 class="product-section-title"><%= Spree.t(:price) %></h6>
  +          <h3 class="product-section-title"><%= Spree.t(:price) %></h3>
             <div>
               <span class="lead price selling" itemprop="price" content="<%= @product.price_in(current_currency).amount.to_d %>">
                 <%= display_price(@product) %>
  
positive.code: 
          <% if @product.can_supply? %>
            <div class="add-to-cart">
              <br />
              <div class="input-group">
                <%= number_field_tag :quantity, 1, class: 'title form-control', min: 1 %>
                <span class="input-group-btn">
  
negative.code:         <h3 class="product-section-title"><%= Spree.t(:variants) %></h3>
          <ul class="list-group">
            <% @product.variants_and_option_values(current_currency).each_with_index do |variant, index| %>
              <li class="list-group-item <%= "active" if index == 0 %>">
                <div class="form-check">
                  <%= radio_button_tag "variant_id", variant.id, index == 0,
                      'data-price' => variant.price_in(current_currency).money,
                      'data-in-stock' => variant.can_supply?,
                      'data-backordered' => variant.backordered?,
                      class: 'form-check-input'
                  %>
                  <%= label_tag "variant_id_#{ variant.id }", class: "form-check-label" do %>
                    <span class="variant-description">
                      <%= variant_options variant %>
                    </span>
                    <% if variant_price variant %>
                      <span class="price diff"><%= variant_price variant %></span>
                    <% end %>
                    <% unless variant.can_supply? %>
                      <span class="out-of-stock"><%= Spree.t(:out_of_stock) %></span>
                    <% end %>
                  <% end %>
                </div>
              </li>
            <% end%>
          </ul>
  