The CSS file i edited is located here
~/Library/PreferencePanes/Growl.prefPane/Contents/Resources/GrowlHelperApp.app/Contents/PlugIns/Plain.growlStyle/Contents/Resources
There is a file called default.css. Just change that to anything you want.
The CSS file i edited is located here
~/Library/PreferencePanes/Growl.prefPane/Contents/Resources/GrowlHelperApp.app/Contents/PlugIns/Plain.growlStyle/Contents/Resources
There is a file called default.css. Just change that to anything you want.