Use partial namespace CSS (#12)

Author: foolip

index.bs

@@ -45,7 +45,7 @@ Parsing API {#parsing-api}
 typedef (DOMString or ReadableStream) CSSStringSource;
 typedef (DOMString or CSSStyleValue or CSSParserValue) CSSToken;
 
-partial interface CSS {
+partial namespace CSS {
 	Promise<sequence<CSSParserRule>> parseStylesheet(CSSStringSource css, optional CSSParserOptions options);
 	Promise<sequence<CSSParserRule>> parseRuleList(CSSStringSource css, optional CSSParserOptions options);
 	Promise<CSSParserRule> parseRule(CSSStringSource css, optional CSSParserOptions options);