Update show_single_page.html

Application/Home/View/Item/show_single_page.html

@@ -1,7 +1,7 @@
 <include file="Common/header" />
 <link href="__PUBLIC__/highlight/default.min.css" rel="stylesheet"> 
 <link href="__PUBLIC__/lightbox/css/lightbox.css?v=1.1234567" rel="stylesheet"> 
-<link rel="stylesheet" href="__PUBLIC__/css/item/show_single_page.css" />
+<link rel="stylesheet" href="__PUBLIC__/css/item/show_single_page.css?v=2" />
 
 <div id="header">