index order button class

app/views/admin/galleries/index.html.erb

@@ -10,7 +10,7 @@
 <div class="bottomnav clearfix">
   <div class="action pull-right">
     <% if can_edit_or_delete?(nil) %>
-      <a href="#" class="btn btn-small btn-info" id="edit-order-btn">Edit Order</a>
+      <a href="#" class="btn btn-small btn-info order-btn-class" id="edit-order-btn">Edit Order</a>
     <% end %>
   </div>
 </div>