diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
index 93a117dd..c1d6b89e 100644
--- a/doc/_templates/layout.html
+++ b/doc/_templates/layout.html
@@ -4,7 +4,7 @@
 <meta name="description" content="Small, safe and fast formatting library">
 <meta name="keywords" content="C++, formatting, printf, string, library">
 <meta name="author" content="Victor Zverovich">
-<link href="_static/bootstrap.min.css" rel="stylesheet">
+<link rel="stylesheet" href="_static/bootstrap.min.css">
 <link rel="stylesheet" href="_static/fmt.css">
 {# Google Analytics #}
 <script async src="https://www.googletagmanager.com/gtag/js?id=UA-20116650-4"></script>
@@ -33,7 +33,7 @@
 {%- endmacro %}
 
 {% block header %}
-<nav class="navbar navbar-expand-md bg-body-tertiary" data-bs-theme="dark">
+<nav class="navbar navbar-expand-md" data-bs-theme="dark">
   <div class="container">
     <a class="navbar-brand" href="index.html">{fmt}</a>
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse"