edit.html.erb in solidus_backend-2.6.0.rc1

- old
+ new

@@ -20,10 +20,10 @@
         </div>
       </div>
     </div>
 
     <div class="form-buttons filter-actions actions" data-hook="buttons">
-      <%= button t('spree.actions.save') %>
-      <%= button_link_to t('spree.actions.cancel'), admin_order_payments_url(@refund.payment.order) %>
+      <%= button_tag t('spree.actions.save'), class: 'btn btn-primary' %>
+      <%= link_to t('spree.actions.cancel'), admin_order_payments_url(@refund.payment.order), class: 'btn btn-primary' %>
     </div>
   </fieldset>
 <% end %>