/* From the spec at https://www.w3.org/TR/css3-namespace/ */

@namespace toto "http://toto.example.org";
@namespace "http://example.com/foo";


/* From an introduction at https://www.blooberry.com/indexdot/css/syntax/atrules/namespace.htm */
@namespace foo url("http://www.example.com/");
@namespace foo url('http://www.example.com/');


foo|test {
	gaga: 1;
}

|test {
	gaga: 2;
}