Google+ sign in is deprecated, so lesson 2 step 3 (login.html file) should look like this for any button to appear <html lang="en"> <head> <meta name="google-signin-scope" content="profile email"> <meta name="google-signin-client_id" content="670092350858-5i3a5lo8sap0513l2o8ud4avmo2shcmm.apps.googleusercontent.com"> <script src="https://apis.google.com/js/platform.js" async defer></script> </head> <body> <div class="g-signin2" data-onsuccess="onSignIn" data-theme="dark"></div> </body> </html>
Google+ sign in is deprecated, so lesson 2 step 3 (login.html file) should look like this for any button to appear
<script src="https://apis.google.com/js/platform.js" async defer></script>