8004353: Generated html is wrong for overview.html; content has incorrect css footer class

Reviewed-by: jjg
Contributed-by: roger.riggs@oracle.com

src/share/classes/com/sun/tools/doclets/formats/html/PackageIndexWriter.java

 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -196,10 +196,7 @@ public class PackageIndexWriter extends AbstractPackageIndexWriter {
     protected void addOverviewComment(Content htmltree) {
         if (root.inlineTags().length > 0) {
             htmltree.addContent(getMarkerAnchor("overview_description"));
-            HtmlTree div = new HtmlTree(HtmlTag.DIV);
-            div.addStyle(HtmlStyle.subTitle);
-            addInlineComment(root, div);
-            htmltree.addContent(div);
+            addInlineComment(root, htmltree);
         }
     }
 
@@ -211,7 +208,7 @@ public class PackageIndexWriter extends AbstractPackageIndexWriter {
      */
     protected void addOverview(Content body) throws IOException {
         HtmlTree div = new HtmlTree(HtmlTag.DIV);
-        div.addStyle(HtmlStyle.footer);
+        div.addStyle(HtmlStyle.contentContainer);
         addOverviewComment(div);
         addTagsInfo(root, div);
         body.addContent(div);