Merge pull request #25 from mdn/estelle-patch-1

Make the JS button require JS to show.

Author: teoli2003

a2hs/index.js

@@ -23,7 +23,6 @@ if ('serviceWorker' in navigator) {
 
 let deferredPrompt;
 const addBtn = document.querySelector('.add-button');
-addBtn.style.display = 'none';
 
 window.addEventListener('beforeinstallprompt', (e) => {
   // Prevent Chrome 67 and earlier from automatically showing the prompt

a2hs/style.css

@@ -17,6 +17,7 @@ img {
   position: absolute;
   top: 1px;
   left: 1px;
+  display: none;
 }
 
 @media (orientation: landscape) {