diff --git a/docs/extra.css b/docs/extra.css
index 41f2eec..0f13469 100644
--- a/docs/extra.css
+++ b/docs/extra.css
@@ -1,7 +1,7 @@
 
 .important {
   color: red;
-  font-style: bold;
+  font-weight: bold;
   font-size: 2em;
 }