Bugfix: with kcHtmlClass

src/lib/components/Template.tsx

@@ -114,9 +114,13 @@ export const Template = memo((props: TemplateProps) => {
             })
         );
 
+        if (props.kcHtmlClass !== undefined) {
+
             document.getElementsByTagName("html")[0]
                 .classList
-            .add(cx(props.kcHtmlClass));
+                .add(...cx(props.kcHtmlClass).split(" "));
+
+        }
 
         return () => { isUnmounted = true; };