fully responsive UI

views/emulator.html

@@ -34,6 +34,7 @@
 
     <div class="main-wrapper">
         <header class="top-header">
+            <button id="hamburger-btn" class="hamburger">☰</button>
             <h3>Extension Emulator</h3>
         </header>
 
@@ -97,6 +98,7 @@
     </div>
 
     <script src="../src/emulator/emulator.js"></script>
+    <script src="../src/hamburger.js"></script>
 </body>
 
 </html>