diff --git a/config/_default/params.toml b/config/_default/params.toml
index 076c8aa..88514bd 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -90,5 +90,5 @@ lastMod = false
 [menu]
   [menu.section]
     auto = true
-    collapsibleSidebar = true
-    mainSections = ["docs", "tutorial"]
+    collapsibleSidebar = false
+    mainSections = ["docs"]
diff --git a/layouts/partials/sidebar/auto-default-menu.html b/layouts/partials/sidebar/auto-default-menu.html
index 19408ec..9a0c9ea 100644
--- a/layouts/partials/sidebar/auto-default-menu.html
+++ b/layouts/partials/sidebar/auto-default-menu.html
@@ -1 +1,36 @@
-<!-- Auto default section menu, single level -->
\ No newline at end of file
+<!-- Auto default section menu, single level -->
+{{ $currentPage := . -}}
+{{ range (where .Site.Sections "Section" "in" site.Params.menu.section.mainSections) }}
+  {{ range .Sections.Reverse }}
+    {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+    <h3 class="h6 text-uppercase mb-2">{{ .Title }}</h3>
+    <ul class="list-unstyled">
+      {{ range .Pages }}
+        {{ if .IsNode }}
+          {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+          <h4 class="h6 text-uppercase ms-3 mt-3 mb-2">{{ .Title }}</h4>
+          <ul class="list-unstyled ms-3">
+            {{ range .Pages }}
+              {{ if .IsNode }}
+                {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+                <h5 class="h6 text-uppercase mt-2 mb-2">{{ .Title }}</h5>
+                <ul class="list-unstyled ms-3">
+                  {{ range .Pages }}
+                    {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+                    <li><a class="docs-link{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+                  {{ end }}
+                </ul>
+              {{ else }}
+                {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+                <li><a class="docs-link{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+              {{ end }}
+            {{ end }}
+          </ul>
+        {{ else }}
+          {{ $active := in $currentPage.RelPermalink .RelPermalink }}
+          <li><a class="docs-link{{ if $active }} active{{ end }}" href="{{ .URL | relURL }}">{{ .Name }}</a></li>
+        {{ end }}
+      {{ end }}
+    </ul>
+  {{ end }}
+{{ end }}
\ No newline at end of file