diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 543e6e14d..f1f7efea6 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -6,7 +6,7 @@ h1, h2, h3, h4 {font-family: "Trebuchet MS", Verdana, sans-serif;padding: 2px 10
 h2, .wiki h1 {font-size: 20px;}
 h3, .wiki h2 {font-size: 16px;}
 h4, .wiki h3 {font-size: 13px;}
-h4 {border-bottom: 1px dotted #bbb;}
+h4 {border-bottom: 1px solid #ccc;}
 pre, code {font-family: Consolas, Menlo, "Liberation Mono", Courier, monospace;}
 
 /***** Layout *****/