diff --git a/public/css/icinga/base.less b/public/css/icinga/base.less
index 31a19dc09f..25eea7d4d8 100644
--- a/public/css/icinga/base.less
+++ b/public/css/icinga/base.less
@@ -46,13 +46,13 @@ blockquote {
 }
 
 h1, h2, h3, h4, h5, h6 {
-  border-bottom: 1px solid @gray-lighter;
   font-weight: @font-weight-bold;
   margin: 0.556em 0 0.333em;
 }
 
 h1 {
-  font-size: 1.5em;
+  border-bottom: 1px solid @gray-lighter;
+  font-size: 1.333em;
 }
 
 h2 {