English: You are currently using Custom CSS in the Custom Facebook Feed plugin, however, this setting has now been deprecated. Your CSS has been moved to the "Additional CSS" field in the WordPress Customizer %shere%s instead.
Dutch: Je gebruikt momenteel aangepaste CSS in de Custom Facebook Feed plugin, maar deze instelling is nu verouderd. Je CSS is verplaatst naar het "Extra CSS" veld in de WordPress Customizer %shier%s in plaats daarvan.