Fix that h4 headings in an issue note is unintendedly highlighted (#31742).

Patch by Mizuki ISHIKAWA.


git-svn-id: http://svn.redmine.org/redmine/trunk@18329 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/application.css

@@ -311,7 +311,7 @@ tr.message td.last_message { font-size: 80%; white-space: nowrap; }
 tr.message.sticky td.subject { font-weight: bold; }
 
 body.avatars-on #replies .message.reply {padding-left: 32px;}
-#replies .reply:target h4 {background-color:#DDEEFF;}
+#replies .reply:target > h4 {background-color:#DDEEFF;}
 #replies h4 img.gravatar {margin-left:-32px;}
 
 tr.version.closed, tr.version.closed a { color: #999; }
@@ -557,7 +557,7 @@ div.journal h4 img.gravatar {margin-left:-32px;}
   border-radius: 0 0 3px 3px / 0 0 3px 3px;
 }
 
-#history div:target h4 {background-color:#DDEEFF;}
+#history div:target > h4 {background-color:#DDEEFF;}
 #history p.nodata {display: none;}
 
 div#activity dl, #search-results { margin-left: 2em; }