text: import React from "react";
  
  function HelloBootstrap() {
      return (
          <div className="main-container">
              <nav className="navbar navbar-expand-lg navbar-light bg-light">
                  <a className="navbar-brand" href="#">Navbar</a>
                  <button className="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
                      <span className="navbar-toggler-icon"></span>
                  </button>
                  <div className="collapse navbar-collapse" id="navbarNavAltMarkup">
                      <div className="navbar-nav">
                          <a className="nav-item nav-link active" href="#">Home <span className="sr-only">(current)</span></a>
                          <a className="nav-item nav-link" href="#">Features</a>
                          <a className="nav-item nav-link" href="#">Pricing</a>
                          <a className="nav-item nav-link disabled" href="#">Disabled</a>
                      </div>
                  </div>
              </nav>
              <div className="container">
                  <div className="jumbotron">
                      <h1>Hi! My name is Will</h1>
                      <h2>My name has four letters</h2>
                      <h2>I think React is cool</h2>
                  </div>
              </div>
          </div>
      );
  }
  
  export default HelloBootstrap;