diff --git a/error-pages/404.php b/error-pages/404.php
index 1f760fc..3fcf538 100644
--- a/error-pages/404.php
+++ b/error-pages/404.php
@@ -14,6 +14,12 @@
 
     <h1>Oh no!  That page can't be found</h1>
 
+      <p>
+        If you got here from a homescreen icon on your device, you will
+        need to remove and re-add the button due to major upgrades to
+        the Athena application
+      </p>
+
       <p><a class="actionbutton" href="/">Go back to the homepage</a></p>
 
       <h3>404 - Not Found</h3>
diff --git a/js/nav.js b/js/nav.js
index e14626c..6cbf18e 100644
--- a/js/nav.js
+++ b/js/nav.js
@@ -1,23 +1,19 @@
-function openMenu() {
-  document.getElementById("menu").style.display = "block";
+/* When the user clicks on the button,
+toggle between hiding and showing the dropdown content */
+function myFunction() {
+  document.getElementById("myDropdown").classList.toggle("show");
 }
 
-function closeMenu() {
-  document.getElementById("menu").style.display = "none";
-}
-
-function closeAboutPopup() {
-  document.getElementById("popup-about").style.display = "none";
-}
-
-function openAboutPopup() {
-  document.getElementById("popup-about").style.display = "block";
-}
-
-function closeTiplocPopup() {
-  document.getElementById("popup-tiploc").style.display = "none";
-}
-
-function openTiplocPopup() {
-  document.getElementById("popup-tiploc").style.display = "block";
+// Close the dropdown menu if the user clicks outside of it
+window.onclick = function(event) {
+  if (!event.target.matches('.dropbtn')) {
+    var dropdowns = document.getElementsByClassName("dropdown-content");
+    var i;
+    for (i = 0; i < dropdowns.length; i++) {
+      var openDropdown = dropdowns[i];
+      if (openDropdown.classList.contains('show')) {
+        openDropdown.classList.remove('show');
+      }
+    }
+  }
 }
diff --git a/manifest.json b/manifest.json
index c8b18bd..33ab785 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
     "name": "Athena",
     "short_name": "Athena",
-    "start_url": "/index.html",
+    "start_url": "/",
     "scope": "/",
     "display": "standalone",
     "background_color": "#7fa7e6",
diff --git a/page-blocks/headers.php b/page-blocks/headers.php
index 6f0a09f..bf814f0 100644
--- a/page-blocks/headers.php
+++ b/page-blocks/headers.php
@@ -8,3 +8,5 @@ echo '<meta name="author" content="Frederick Boniface">';
 echo '<link rel="stylesheet" type="text/css" href="/styles/style.css"/>';
 echo '<link rel="icon" type="image/png" href="/assets/icons/favicon.ico"/>';
 echo '<link rel="manifest" type="application/json" href="/manifest.json"/>';
+
+echo '<script src="/js/nav.js"></script>';
diff --git a/page-blocks/nav-menu.php b/page-blocks/nav-menu.php
index 7ec96f1..df890f7 100644
--- a/page-blocks/nav-menu.php
+++ b/page-blocks/nav-menu.php
@@ -1,12 +1,10 @@
 <?php
-echo '<script src="/js/nav.js" async></script>';
 
-echo '<div id="menu-button" class="menu-button">';
-echo '<img onclick="openMenu()" src="/assets/icons/menu.png"></img>';
-echo '</div>';
-echo '<div id="menu" class="menu">';
-echo '<a href="/" class="menuitem" onclick="closeMenu()"">Home</a>';
-echo '<a href="/issue.php" class="menuitem" onclick="closeMenu()"">Report Issue</a>"';
-echo '<a href="/help.php" class="menuitem" onclick="closeMenu()"">Help</a>';
-echo '<img class="menu-button" onclick="closeMenu()" class="popup-close" src="/assets/icons/close-circle.png"></img>';
+echo '<div class="dropdown">';
+echo '  <button onclick="myFunction()" class="dropbtn">Menu</button>';
+echo '  <div id="myDropdown" class="dropdown-content">';
+echo '    <a href="/">Home</a>';
+echo '    <a href="/issue.php">Report Issue</a>';
+echo '    <a class="dropdown-last" href="/help.php">Help</a>';
+echo '  </div>';
 echo '</div>';
diff --git a/php/version.php b/php/version.php
index 7a75c42..db46dfd 100644
--- a/php/version.php
+++ b/php/version.php
@@ -1,2 +1,2 @@
 <?php
-$athenaVersion = '0.4.0-alpha';
+$athenaVersion = '0.4.1-alpha';
diff --git a/styles/style.css b/styles/style.css
index a4d37e4..142a962 100644
--- a/styles/style.css
+++ b/styles/style.css
@@ -92,6 +92,7 @@ body {
   padding: 5px;
   padding-left: 15px;
   padding-right: 15px;
+  margin-bottom: 10px;
   cursor: pointer;
 }
 
@@ -114,45 +115,67 @@ body {
   cursor: pointer;
 }
 
-.menu {
-  display: none;
-  background-color: #3c78d8;
-  width: 100%;
+/* START MENU STYLE */
+
+/* Dropdown Button */
+.dropbtn {
   position: fixed;
   top: 0;
-  left: 0;
-  padding-top: 10px;
-  padding-bottom: 10px;
+  right: 0;
+  background-color: #7fa7e6;
+  color: white;
+  padding: 12px;
+  font-size: 12px;
+  border: none;
+  border-bottom-left-radius: 10px;
+  cursor: pointer;
 }
 
-.menu-button {
+/* Dropdown button on hover & focus */
+.dropbtn:hover, .dropbtn:focus {
+  background-color: #0280e5;
+}
+
+/* The container <div> - needed to position the dropdown content */
+.dropdown {
+  position: relative;
+  display: inline-block;
+}
+
+/* Dropdown Content (Hidden by Default) */
+.dropdown-content {
+  display: none;
   position: absolute;
-  background-color: #aac4ee;
-  border: none;
-  right: 30px;
-  cursor: pointer;
+  background-color: #7fa7e6;
+  min-width: 160px;
+  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
+  z-index: 1;
 }
 
-.menuitem {
-  background-color: #2256aa;
+/* Links inside the dropdown */
+.dropdown-content a {
+  color: white;
+  padding: 12px 16px;
   text-decoration: none;
-  color: #f6f5f4;
-  border: none;
-  border-radius: 18px;
-  font-size: 16px;
-  font-weight: bold;
-  padding: 3px;
-  padding-left: 8px;
-  padding-right: 8px;
-  margin-left: 10px;
-  margin-right: 10px;
-  cursor: pointer;
+  display: block;
+  border-top: 1px solid black;
 }
 
-.menuitem:hover {
-  background-color: #112b55;
+/*Final item of the dropdown has bottom border*/
+.dropdown-last {
+  border-bottom: 1px solid black;
 }
 
+/* Change color of dropdown links on hover */
+.dropdown-content a:hover {background-color: #ddd;}
+
+/* Show the dropdown menu (use JS to add this class to the .dropdown-content container when the user clicks on the dropdown button) */
+.show {display:block;}
+
+/* END MENU STYLE */
+
+/* Footer Styles */
+
 footer {
   background-color: #7fa7e6;
   color: white;