Update show_regular.html

Application/Home/View/Item/show_regular.html

@@ -2,7 +2,7 @@
 <link rel="stylesheet" href="__PUBLIC__/css/item/show.css?1.1d.1thdddefghi1" />
 
 <div class="doc-head row" >
-  <div class="left "><h2>{$item.item_name}</h2></div>
+  <div class="left "><h4>{$item.item_name}</h4></div>
   <div class="right">
     <ul class="inline pull-right">