diff --git a/Identity/Webenv/Css/Docbook/headings.css b/Identity/Webenv/Css/Docbook/headings.css
index 47e1b38..135cc9b 100755
--- a/Identity/Webenv/Css/Docbook/headings.css
+++ b/Identity/Webenv/Css/Docbook/headings.css
@@ -59,16 +59,19 @@ div.preface > div.titlepage h2.title {
 
 div.chapter > div.titlepage h2.title {
     margin-top: 1em;
+    font-size: 1.7em;
     }
 
 div.sect1 > div.titlepage h2.title,
 div.section > div.titlepage h2.title {
     margin-top: 1em;
+    font-size: 1.7em;
     }
 
 div.sect2 > div.titlepage h3.title {
+    font-size: 1.4em;
     }
 
 div.sect3 > div.titlepage h4.title {
+    font-size: 1.2em;
     }
-