diff --git a/browser/base/content/browser-box.inc.xhtml b/browser/base/content/browser-box.inc.xhtml
index 2faed30e09511c381051bc40910a883d1d7bc10d..959fa83f647a8919641c5b852a4cb8814fca9ab5 100644
--- a/browser/base/content/browser-box.inc.xhtml
+++ b/browser/base/content/browser-box.inc.xhtml
@@ -3,6 +3,9 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 <hbox flex="1" id="browser">
+  <html:div id="zen-browser-background" class="zen-browser-generic-background">
+    <html:div class="zen-browser-grain" />
+  </html:div>
   <box context="sidebar-context-menu" id="sidebar-main" hidden="true">
     <html:sidebar-main flex="1">
       <box id="vertical-tabs" slot="tabstrip" customizable="true" contextmenu="toolbar-context-menu"></box>
@@ -25,7 +28,13 @@
     </stack>
   </vbox>
   <splitter id="sidebar-splitter" class="chromeclass-extrachrome sidebar-splitter" resizebefore="sibling" resizeafter="none" hidden="true"/>
+<vbox flex="1" id="zen-appcontent-wrapper">
+  <html:div id="zen-appcontent-navbar-wrapper" class="chromeclass-location">
+    <html:div id="zen-appcontent-navbar-container"></html:div>
+  </html:div>
+  <hbox id="zen-tabbox-wrapper" flex="1">
   <tabbox id="tabbrowser-tabbox" flex="1" tabcontainer="tabbrowser-tabs">
+#include zen-tabbrowser-elements.inc.xhtml
     <tabpanels id="tabbrowser-tabpanels" flex="1" selectedIndex="0"/>
   </tabbox>
   <splitter id="ai-window-splitter" class="chromeclass-extrachrome sidebar-splitter" resizebefore="none" resizeafter="sibling" hidden="true"/>
@@ -34,3 +43,5 @@
     </stack>
   </vbox>
 </hbox>
+</vbox>
+</hbox>