diff --git a/module/doc/css/editlib.css b/module/doc/css/editlib.css
index da498e6a63..9089c2da38 100644
--- a/module/doc/css/editlib.css
+++ b/module/doc/css/editlib.css
@@ -2,3 +2,6 @@ form {margin-right: 30px;}
 
 #whiteListBox div.input-group {margin-bottom: 2px;}
 #whiteListBox .input-group:last-child {margin-top: 10px;}
+
+.center-block {margin-top: 20px;}
+