Hello Adrian, if I start mate-terminal from the command line (with gnome-terminal) while using the "TraditionalOk" theme, I get
$ mate-terminal (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2202:16: not a number (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2202:16: Expected a string. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3157:14: not a number (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3157:14: Expected a string. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3658:14: not a number (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3658:14: Expected a string. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3959:62: Using one color stop with linear-gradient() is deprecated. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:3992:61: Using one color stop with linear-gradient() is deprecated. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4008:61: Using one color stop with linear-gradient() is deprecated. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4024:59: Using one color stop with linear-gradient() is deprecated. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4038:62: Using one color stop with linear-gradient() is deprecated. (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: mate-applications.css:214:16: not a number (mate-terminal:4005): Gtk-WARNING **: Theme parsing error: mate-applications.css:214:16: Expected a string. With GTK+ 3.20.9-1 these messages do not appear. With GTK+ 3.21.5-3 (I updated to the latest version) I get different messages depending on which theme I use. Maybe this helps. Viktor

