I have a dynamic CSS file in my project. I call it main.CSS.JSP. File sample is below: <%@ page contentType="text/css" %> <%@ taglib uri="/WEB-INF/jdnevnik.tlb" prefix="jd" %> .jdTitle { width: 100%; font-family: <jd:config name="titleFont"/>; height: 7.8em; } .jdBlogImage { color: <jd:config name="textLighterColor"/>; position: absolute; left: 5px; top: 18px; padding: 2px; } I have a project with multiple JSP files, and many-many includes. Includes are often done by custom tags, so, they are not visible through JSP itself. When I use CSS classes in my JSP files, autocompletion does not work. Also, classes in CSS.JSP are marked as unused. May be other CSS features do not work, I can't check them now.