diff --git a/doc/ns3_html_theme/ns3_doxy_header.html b/doc/ns3_html_theme/ns3_doxy_header.html
index 8617f677d..0ba09cf07 100644
--- a/doc/ns3_html_theme/ns3_doxy_header.html
+++ b/doc/ns3_html_theme/ns3_doxy_header.html
@@ -1,24 +1,30 @@
 <!-- ns-3 doxygen header, based on
-     HTML header for doxygen 1.8.3.1
-     Verified compatible with 1.8.6
+     HTML header for doxygen 1.10.0
 -->
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="$langISO">
 <head>
 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
-<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta http-equiv="X-UA-Compatible" content="IE=11"/>
 <meta name="generator" content="Doxygen $doxygenversion"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
 <!--BEGIN PROJECT_NAME--><title>$projectname: $title</title><!--END PROJECT_NAME-->
 <!--BEGIN !PROJECT_NAME--><title>$title</title><!--END !PROJECT_NAME-->
+<!--BEGIN PROJECT_ICON-->
+<link rel="icon" href="$relpath^favicon.ico" type="image/x-icon" />
+<!--END PROJECT_ICON-->
 <link href="$relpath^tabs.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="$relpath^jquery.js"></script>
 <script type="text/javascript" src="$relpath^dynsections.js"></script>
+<!--BEGIN COPY_CLIPBOARD-->
+<script type="text/javascript" src="$relpath^clipboard.js"></script>
+<!--END COPY_CLIPBOARD-->
 $treeview
 $search
 $mathjax
+$darkmode
 <link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
 $extrastylesheet
-    <link href="$relpath$favicon.ico" rel="shortcut icon" type="image/ico"></link>
     <script type="text/javascript" src="$relpath$drop-down-menu.js"></script>
     <script type="text/javascript" src="$relpath$ns3_version.js"></script>
     <script type="text/javascript" src="$relpath$ns3_links.js"></script>
@@ -30,7 +36,7 @@ $extrastylesheet
     <div id="titlearea">
       <table cellspacing="0" cellpadding="0" width="100%">
         <tbody>
-          <tr style="height: 56px;">
+          <tr id="projectrow">
             <td id="projectlogo">
               <a id="ns3_home1"
 		 href="https://www.nsnam.org/">
diff --git a/doc/ns3_html_theme/static/ns3_stylesheet.css b/doc/ns3_html_theme/static/ns3_stylesheet.css
index dd32d1aab..2f4f69b99 100644
--- a/doc/ns3_html_theme/static/ns3_stylesheet.css
+++ b/doc/ns3_html_theme/static/ns3_stylesheet.css
@@ -94,6 +94,11 @@ div.sphinxsidebar a {
     z-index: 10000;
 }
 
+#projectrow
+{
+	height: 56px;
+}
+
 #projectlogo {
     color: white;
     margin: 10px;
