[major] upgrade to bootstrap 3
diff --git a/website/templates/html/outer.html b/website/templates/html/outer.html
index bac3515..0f0f400 100644
--- a/website/templates/html/outer.html
+++ b/website/templates/html/outer.html
@@ -20,7 +20,7 @@
</div>
<div class="clearfix"></div>
{% if banner_html %}<div class="row banner">
- <div class="col col-lg-12">{{ banner_html }}</div>
+ <div class="col-md-12">{{ banner_html }}</div>
</div>{% endif %}
<div class="outer">
{% include "app/website/templates/html/navbar.html" %}