My problem is related to partial files in zend layout. Here is my directory structure
Content of admin.html is as below

And application.ini is as follows :

Now the problem is the css for admin_header.phtml and admin_footer.phtml is not rendering. The layout is able to include files but css is not working for included files. CSS is working for rest of layout except header and footer. I’ll appreciate if someone help me on this.
yes there was a path mismatch in my css. its working now. thanks all.