Pm node views portals

wax-prosemirror-core/src/BlockQuote.js

 import React from 'react';
 
+const styles = {
+  backgroundColor: 'red',
+  width: '200px',
+  height: '200px',
+};
+
 export default () => {
-  return <div>11111111</div>;
+  return <div style={styles}>This is a React Component</div>;
 };