Use abbr of hash rocket in Blog Post

Author: yasulab

app/views/blog_post_page/index.html.erb

@@ -5,10 +5,11 @@
     <% end %>
   <% end %>
 
-　<%= content_tag(:div,  scrivito_value(@obj.created.strftime("%Y年%m月%d日")), :class => "text-muted h4") %>
+  <%= content_tag  :div, scrivito_value(@obj.created.strftime("%Y年%m月%d日")),
+                   class: "text-muted h4" %>
   <hr>
   <%= scrivito_tag :h1,  @obj, :title %>
   <%= scrivito_tag :div, @obj, :abstract %>
-  <%= scrivito_image_tag @obj, :image ,:class => "img-responsive" %>
+  <%= scrivito_image_tag @obj, :image, class: "img-responsive" %>
   <%= scrivito_tag :div, @obj, :body %>
 </div>