I use fire fox to examine one of portal page on my test portal server and production server, Surprisingly, I found out that CSS class name are different.
For example, for body tag, on production server,
<body class="x1bl p_AFMaximized">
On test server,
<body class="af_document p_AFMaximized">
Since both server has different class name, same page looks very different.
Anyone has idea to make both of my servers to use the same class name.
My portal server version is 12.2.1.3