diff --git a/docs/named_data_theme/static/named_data_style.css_t b/docs/named_data_theme/static/named_data_style.css_t
index c1f02f9..3edfb72 100644
--- a/docs/named_data_theme/static/named_data_style.css_t
+++ b/docs/named_data_theme/static/named_data_style.css_t
@@ -38,10 +38,10 @@
     margin-bottom: 18px;
 }
 
-h1 { font-weight: normal; font-size: 24px; }
-h2 { font-weight: normal; font-size: 18px; }
-h3 { font-weight: bold;   font-size: 18px; }
-h4 { font-weight: normal; font-size: 18px; }
+h1 { font-weight: bold; font-size: 24px; }
+h2 { font-weight: bold; font-size: 18px; }
+h3 { font-weight: bold; font-size: 16px; }
+h4 { font-weight: bold; font-size: 14px; }
 
 hr {
     background-color: #c6c6c6;