Icons missing in jQuery UI

Question

I\'m using Modal Form and Widgets from jQuery, but the icons does not appear. for eg the Cross (X) and Plus-Minus (+-) Icons.

When I load the p

Answer 1

I found icons were not displaying due to a difference in the casing (ie upper case vs lower case). The CSS file was using "FFFFFF" while the actual file was using "ffffff". Icons displayed for me once I changed the case to match.