add browser default scroll bar

Author: lialun

partials/blog-view.hbs

@@ -5,7 +5,7 @@
                 <button onclick="javascript:smallScreenPageChange(1)" class="btn">< Back</button>
             </div>
         </header>
-        <article class="blog-view-container scroll {{post_class}}">
+        <article class="blog-view-container {{post_class}}">
             <header>
                 <div class="blog-view-title">
 	                {{title}}
@@ -20,4 +20,4 @@
             </div>
         </article>
     </div>
-{{/post}}
+{{/post}}