diff --git a/.github/dita-ot/header.xml b/.github/dita-ot/header.xml
index 0bec718b..b32b6715 100644
--- a/.github/dita-ot/header.xml
+++ b/.github/dita-ot/header.xml
@@ -1,5 +1,5 @@
 <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
-  <div class="container">
+  <div class="container-xxl">
     <!-- This shows the menu on mobile -->
     <div class="bd-navbar-toggle">
       <button
diff --git a/includes/hdr.navbar.default.xml b/includes/hdr.navbar.default.xml
index 780909f9..58933c04 100644
--- a/includes/hdr.navbar.default.xml
+++ b/includes/hdr.navbar.default.xml
@@ -1,5 +1,5 @@
 <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
-  <div class="container">
+  <div class="container-xxl">
     <!-- This shows the menu on mobile -->
     <div class="bd-navbar-toggle">
       <button
diff --git a/includes/hdr.navbar.example.xml b/includes/hdr.navbar.example.xml
index f6ccd2c7..0e38b385 100644
--- a/includes/hdr.navbar.example.xml
+++ b/includes/hdr.navbar.example.xml
@@ -1,5 +1,5 @@
 <nav class="navbar navbar-expand-lg navbar-light bg-body-tertiary">
-  <div class="container">
+  <div class="container-xxl">
     <!-- This shows the menu on mobile -->
     <div class="bd-navbar-toggle">
       <button