diff --git a/Identity/Webenv/Themes/Default/Docbook/1.69.1/Css/headings.css b/Identity/Webenv/Themes/Default/Docbook/1.69.1/Css/headings.css
index a47a341..05d7e1f 100755
--- a/Identity/Webenv/Themes/Default/Docbook/1.69.1/Css/headings.css
+++ b/Identity/Webenv/Themes/Default/Docbook/1.69.1/Css/headings.css
@@ -61,6 +61,7 @@ div.preface > div.titlepage h2.title {
     }
 
 div.appendix > div.titlepage h2.title,
+div.index > div.titlepage h2.title,
 div.chapter > div.titlepage h2.title {
     margin-top: 1em;
     font-size: 1.7em;