hide button while amber not loaded

_layouts/index.html

@@ -23,6 +23,7 @@
             }).then(function () {
                 document.getElementById('version').innerText = 'v' + amber.globals.Smalltalk._version();
                 document.querySelector('.try button').disabled = false;
+                document.querySelector('p.try').style.display = "initial";
             });
         });
     </script>
@@ -109,7 +110,7 @@
 
         <div class="clear"></div>
 
-        <p class="try">
+        <p class="try" style="display: none">
             <button class="huge" disabled onClick="require('amber/helpers').globals.Browser._open()">Try Amber in your browser!
             </button>
         </p>