--- a/app/views/pastes/show.html.erb	Thu Nov 10 21:50:27 2016 +0900
+++ b/app/views/pastes/show.html.erb	Thu Nov 10 21:58:25 2016 +0900
@@ -9,10 +9,13 @@
     ].each do |el| %>
       <li role="presentation" class="<%= "active" if el[:active] %>">
         <%= link_to el[:title], "##{el[:target]}",
-            :data => { :toggle => "tab" },
+            :data => {
+              :mode => el[:target],
+              :toggle => "tab"
+            },
             :aria => { :controls => el[:target] },
             :role => "tab",
-            :class => "js-show-tab-#{el[:target]}"
+            :class => "js-show-tab"
         %>
       </li>
     <% end %>