diff --git a/style.css b/style.css
index b9ffb66..4d13847 100644
--- a/style.css
+++ b/style.css
@@ -53,6 +53,9 @@ a:hover {color: #f20;}
 hr {
 	border-color: #fb5;
 }
+.text-center {
+	text-align: center
+}
 .advisory {
 	background: #fc4;
 	color: #222;