diff --git a/app/views/common/_tabs.html.erb b/app/views/common/_tabs.html.erb
index 601977d14..4e5d23302 100644
--- a/app/views/common/_tabs.html.erb
+++ b/app/views/common/_tabs.html.erb
@@ -10,14 +10,14 @@
   <% end -%>
   </ul>
   <div class="tabs-buttons" style="display:none;">
-  	<button class="tab-left" onclick="moveTabLeft(this);"></button>
-  	<button class="tab-right" onclick="moveTabRight(this);"></button>
+    <button class="tab-left" onclick="moveTabLeft(this);"></button>
+    <button class="tab-right" onclick="moveTabRight(this);"></button>
   </div>
 </div>
 
 <script>
-	Event.observe(window, 'load', function() { displayTabsButtons(); });
-	Event.observe(window, 'resize', function() { displayTabsButtons(); });
+  Event.observe(window, 'load', function() { displayTabsButtons(); });
+  Event.observe(window, 'resize', function() { displayTabsButtons(); });
 </script>
 
 <% tabs.each do |tab| -%>