Show red background for mobile receiving if product not found

tailbone/templates/mobile/receiving/view_row.mako

@@ -8,7 +8,7 @@
 
 
 <div${' class="ui-grid-a"' if product_image_url else ''|n}>
-  <div class="ui-block-a">
+  <div class="ui-block-a"${'' if instance.product else ' style="background-color: red;"'|n}>
     % if instance.product:
         <h3>${instance.brand_name or ""}</h3>
         <h3>${instance.description} ${instance.size or ''}</h3>
@@ -26,7 +26,7 @@
   % endif
 </div>
 
-<table>
+<table${'' if instance.product else ' style="background-color: red;"'|n}>
   <tbody>
     % if batch.order_quantities_known:
         <tr>