diff --git a/packs/hugo/layouts/_default/baseof.html b/packs/hugo/layouts/_default/baseof.html
index 0c90e14..ce96197 100644
--- a/packs/hugo/layouts/_default/baseof.html
+++ b/packs/hugo/layouts/_default/baseof.html
@@ -1,17 +1,18 @@
 <!DOCTYPE html>
-<html lang="{{ .Site.Language.LanguageCode | default "en" }}">
+<html lang="{{ .Site.Language.LanguageCode | default "en" }}" data-theme="dark">
 <head>
   {{- partial "head.html" . -}}
 </head>
 <body>
-  <header>
-    <nav>
-      <a href="{{ .Site.BaseURL }}"><strong>{{ .Site.Title }}</strong></a>
+  <nav>
+    <ul><li><a href="{{ .Site.BaseURL }}"><strong>{{ .Site.Title }}</strong></a></li></ul>
+    <ul data-nav-links>
       {{- range .Site.Menus.main }}
-      <a href="{{ .URL }}">{{ .Name }}</a>
+      <li><a href="{{ .URL }}"{{ if $.IsMenuCurrent "main" . }} aria-current="page"{{ end }}>{{ .Name }}</a></li>
       {{- end }}
-    </nav>
-  </header>
+    </ul>
+    <button data-theme-toggle aria-label="Toggle theme"></button>
+  </nav>
 
   <main>
     {{- block "main" . }}{{- end }}
