text: import React, { Component } from 'react';
  import WarningBox from './common/WarningBox';
  
  class UsefulSidebar extends Component {    
      render() { 
          return ( 
              <div className="usesulSidebarContainer">
                  <h2>
                      Hasznos tudnivalók
                  </h2>
                  <WarningBox warningText="" />
              </div>
           );
      }
  }
   
  export default UsefulSidebar;