diff --git a/Identity/Webenv/Css/Docbook/headings.css b/Identity/Webenv/Css/Docbook/headings.css
index ce895b8..a21080e 100755
--- a/Identity/Webenv/Css/Docbook/headings.css
+++ b/Identity/Webenv/Css/Docbook/headings.css
@@ -29,6 +29,7 @@ h1.title {
     padding: 1.5em 0 1.5em 0;
     text-align: center;
     line-height: 1em;
+    margin-bottom: 1em;
     }
 
 h2.title {