// replace fieldset with div for responsive table

admin-dev/themes/default/template/controllers/shop/content.tpl

@@ -49,10 +49,10 @@
 
 <div class="row">
 	<div class="col-lg-4">
-		<fieldset>
+		<div class="panel">
 			<h3><i class="icon-sitemap"></i> {l s='Multistore tree'}</h3>
 			{include file="controllers/shop/tree.tpl" selected_tree_id=$selected_tree_id}	
-		</fieldset>
+		</div>
 	</div>
 	<div class="col-lg-8">{$content}</div>
 </div>

admin-dev/themes/default/template/controllers/shop/helpers/form/form.tpl

@@ -70,7 +70,7 @@
 
 {block name="other_fieldsets"}
 	{if isset($form_import)}
-	<fieldset>
+	<div class="panel">
 		<h3><i class="icon-cloud-download"></i> {l s='Import data from another shop'}</h3>
 		{foreach $form_import as $key => $field}
 		<div class="row">
@@ -118,7 +118,7 @@
 		{/if}
 		</div>			
 		{/foreach}
-	</fieldset>
+	</div>
 	{/if}
 {/block}