text: require('../css/main.css');
  // const firebase = require('firebase/auth');
  // require('firebase/messaging');
  // require('firebase/auth');
  
  // import firebase from 'firebase/app'
  // import 'firebase/auth'
  // // import 'firebase/database'
  // import 'firebase/messaging'
  
  // var firebaseConfig = {
  //     apiKey: "AIzaSyANpIdbR8U0_b2h0IE536IdFDsl-lHEQiY",
  //     authDomain: "keiba-fcm.firebaseapp.com",
  //     projectId: "keiba-fcm",
  //     storageBucket: "keiba-fcm.appspot.com",
  //     messagingSenderId: "283628198223",
  //     appId: "1:283628198223:web:1f8c94548f66387e5acd3a",
  //     measurementId: "G-2QG93JVSYP"
  // };
  // firebase.initializeApp(firebaseConfig);
  // console.log('firebase initialized');
  
  // const messaging = firebase.messaging();
  // console.log('messaging created');
  // messaging.usePublicVapidKey("BMLO9TM1OggRYu0onyJBOiF0kjPiBnAPANnDUoUAC6_4s1YjwSCmKwj5AmAyHUOzJ3BmUl9uulMfjR6HqCNOA64");
  // console.log('key defined');
  
  // console.log('messaging ', messaging);
  
  // messaging.onTokenRefresh(() => {
  //     console.log('onTokenRefresh');
  //     messaging.getToken().then((refreshedToken) => {
  //         console.log('refreshedToken: ' + refreshedToken);
  //     }).catch((err) => {
  //         console.log('onTokenRefresh error: ' + err);
  //     });
  // });