pseudo-classes-unknown.css:1: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
pseudo-classes-unknown.css:5: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
pseudo-classes-unknown.css:9: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
pseudo-classes-unknown.css:13: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
pseudo-classes-unknown.css:17: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
pseudo-classes-unknown.css:21: error: GTK_CSS_PROVIDER_ERROR_SYNTAX