diff -r 7de97abc4a5c -r 130b8c0e570e src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java
--- a/src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java	Fri Oct 18 15:03:34 2013 -0700
+++ b/src/share/classes/com/sun/tools/doclets/formats/html/PackageTreeWriter.java	Fri Oct 18 16:34:42 2013 -0700
@@ -155,7 +155,7 @@
      * @param div the content tree to which the link will be added
      */
     protected void addLinkToMainTree(Content div) {
-        Content span = HtmlTree.SPAN(HtmlStyle.strong,
+        Content span = HtmlTree.SPAN(HtmlStyle.packageHierarchyLabel,
                 getResource("doclet.Package_Hierarchies"));
         div.addContent(span);
         HtmlTree ul = new HtmlTree (HtmlTag.UL);