[website] updates for bootstrap3
diff --git a/website/templates/html/blog_page.html b/website/templates/html/blog_page.html
index c5378dd..ddb61d0 100644
--- a/website/templates/html/blog_page.html
+++ b/website/templates/html/blog_page.html
@@ -37,7 +37,7 @@
 		
 		{% include 'app/website/templates/html/comment.html' %}
 	</div>
-	<div><button class="btn add-comment">{{ texts.add_comment }}</button></div>
+	<div><button class="btn btn-default add-comment">{{ texts.add_comment }}</button></div>
 	<div style="display: none; margin-top: 10px;" 
 		id="comment-form">
 		<div class="alert" style="display:none;"></div>