boolean.css:26: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:29: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:32: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:35: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:38: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:41: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:44: error: GTK_CSS_PROVIDER_ERROR_SYNTAX
boolean.css:47: error: GTK_CSS_PROVIDER_ERROR_SYNTAX