in the CSSMenuWriter/cssmw_home/menu.css file, all of the image referances are using file paths:
background-image: url("file:///C|/xampp/htdocs/Airborne Avionics3/adminproduct/CSSMenuWriter/cssmw_home_images/bg.jpg");
instead of relative paths:
background-image: url("../cssmw_home_images/bg.jpg");
and the CSSMenuWriter/cssmw_home_images folder has not been uploaded to the server.