Gtk-WARNING **: Theme parsing error: gtk-widgets.css:574:17: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:17:7: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:54:7: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:83:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:88:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:93:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:117:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:122:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gtk-widgets-assets.css:127:16: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: button.css:52:8: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: button.css:131:20: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: csd.css:107:18: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: combobox.css:38:20: Missing name of pseudo-class
Gtk-WARNING **: Theme parsing error: gnome-applications.css:466:39: Missing name of pseudo-class
libgtk-3-0:amd64 3.10.8-0ubuntu1.2