content: import React from 'react';
  import {render} from 'react-dom';
  import Icon from 'react-iconpack';
  //!!
  class TestComponent extends React.Component {
      render() {
          return <Icon uri="polymer/notification/disc_full" width="48" height="48" />;
      }
  };
  
  
  render(<TestComponent />, document.getElementById('test-node'));
  