diff --git a/web/gui/src/main/webapp/app/fw/mast/mast.css b/web/gui/src/main/webapp/app/fw/mast/mast.css
index 3470f18..24eff91 100644
--- a/web/gui/src/main/webapp/app/fw/mast/mast.css
+++ b/web/gui/src/main/webapp/app/fw/mast/mast.css
@@ -32,15 +32,25 @@
 }
 
 #mast .nav-menu-button {
-    width: 26px;
-    height: 21px;
-    margin: 14px 18px 14px 14px;
+    display: inline-block;
+    vertical-align: middle;
+    text-align: center;
+    line-height: 48px;
+    padding: 0 12px;
+    cursor: pointer; cursor: hand;
+    /* Needed to removed 3px space at the bottom of img tags */
+    font-size: 0;
 }
 
-#mast img.logo {
+#mast .nav-menu-button img {
+    width: 25px;
+    vertical-align: middle;
+}
+
+#mast .logo {
     height: 47px;
     width: 511px;
-    margin: 0;
+    vertical-align: bottom;
 }
 
 #mast-right {
@@ -49,7 +59,7 @@
     position: relative;
     top: 0;
     padding-right: 15px;
-    line-height: 44px;
+    line-height: 48px;
 }
 
 /*
@@ -57,10 +67,17 @@
 */
 
 #mast-right div.ctrl-btns {
-    position: relative;
     float: right;
 }
 
+#mast-right div.icon {
+    box-sizing: border-box;
+    position: relative;
+    height: 48px;
+    width: 48px;
+    padding: 9px;
+}
+
 #mast .dropdown-parent {
     position: relative;
     float: right;
diff --git a/web/gui/src/main/webapp/app/fw/mast/mast.html b/web/gui/src/main/webapp/app/fw/mast/mast.html
index 592f0c8..dfe4e23 100644
--- a/web/gui/src/main/webapp/app/fw/mast/mast.html
+++ b/web/gui/src/main/webapp/app/fw/mast/mast.html
@@ -1,7 +1,10 @@
 <!-- Masthead partial HTML -->
-<img class="nav-menu-button clickable" src="data/img/nav-menu-mojo.png"
-     ng-click="mastCtrl.toggleNav()"></div>
+<span class="nav-menu-button clickable" ng-click="mastCtrl.toggleNav()">
+    <img src="data/img/nav-menu-mojo.png"/>
+</span>
+
 <img class="logo" src="data/img/masthead-logo-mojo.png">
+
 <div id="mast-right">
     <nav>
         <div class="dropdown-parent">
@@ -11,8 +14,8 @@
             </div>
         </div>
         <div class="ctrl-btns">
-            <div class="active clickable"
-                 icon icon-size="42" icon-id="query"
+            <div class="active clickable icon"
+                 icon icon-size="32" icon-id="query"
                  tooltip tt-msg="helpTip"
                  ng-click="directTo()"></div>
         </div>
diff --git a/web/gui/src/main/webapp/data/img/nav-menu-mojo.png b/web/gui/src/main/webapp/data/img/nav-menu-mojo.png
index 4dd3541..d8cd6d5 100644
--- a/web/gui/src/main/webapp/data/img/nav-menu-mojo.png
+++ b/web/gui/src/main/webapp/data/img/nav-menu-mojo.png
Binary files differ