text: import React from 'react';
  
  export default class SignIn extends React.Component {
    render() {
      return (
        <form className="form-signin">
          <h2 className="form-signin-heading">Please sign in </h2>
          <label htmlFor="inputEmail" className="sr-only"> Email Address</label>
          <input type="email" id="inputEmail" className="form-control" placeholder="Email Address" required autoFocus />
          <label htmlFor="inputPassword" className="sr-only">Password</label>
          <input type="password" id="inputPassword" className="form-control" placeholder="Password" required />
          <button className="btn btn-lg btn-prinary btn-block" type="button">Sign In</button>
        </form>
      )
    }
  }
  