text: import React, { PropTypes } from 'react';
  import Nav from "./Nav.js";
  
  const App = (props) => {
    return (
      <div className="small-12 main-container">
        <Nav/>
        {props.children}
      </div>
    );
  };
  
  App.propTypes = {
    children: PropTypes.element
  };
  
  export default App;
  