diff --git a/public/css/icinga/defaults.less b/public/css/icinga/defaults.less
index 0f5f25c26..f2db2ad50 100644
--- a/public/css/icinga/defaults.less
+++ b/public/css/icinga/defaults.less
@@ -82,6 +82,7 @@ h1, h2, h3, h4, h5, h6 {
   padding: 0.3em 0em;
   margin: 0.7em 0 0.5em 0;
   color: @textColor;
+  border-bottom: 1px dotted #aaa;
 
   a {
     text-decoration: none;
@@ -102,19 +103,20 @@ h6 {
 }
 
 h1 {
-  border-bottom: 3px solid #888;
+  border-bottom: 3px solid #666;
   font-variant: small-caps;
   font-weight: bold;
 }
 
 h2 {
-  border-bottom: 1px solid #666;
+  border-bottom: 1px solid #888;
   font-variant: small-caps;
   font-weight: normal;
 }
 
 h3 {
-  border-bottom: 1px solid #888;
+  font-weight: normal;
+  border-bottom: 1px solid #aaa;
 }
 
 button {