import React from 'react'; import ReactDOM from 'react-dom'; function Example() { return ( <div className="container"> <div className="row justify-content-center"> <div className="col-md-8"> <div className="card"> <div className="card-header">Example Component</div> <div className="card-body">I'm an example component!</div> </div> </div> </div> </div> ); } export default Example; if (document.getElementById('example')) { ReactDOM.render(<Example />, document.getElementById('example')); }