diff --git a/.env b/.env
index b0b7959..c56e56a 100644
--- a/.env
+++ b/.env
@@ -1,4 +1,4 @@
 LIVE_RELOAD_SUPPORT=true
-ADD_MODULES=mkdocs-material
+ADD_MODULES=
 DOCS_DIRECTORY=/app
 FAST_MODE=false
diff --git a/.woodpecker.yml b/.woodpecker.yml
index 901e3c8..dab002d 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,8 +1,7 @@
 pipeline:
   build:
-    image: polinux/mkdocs
+    image: gitnet.fr/deblan/mkdocs
     commands:
-      - pip install mkdocs-material
       - mkdocs build
   deploy:
     image: eeacms/rsync
diff --git a/mkdocs.yml b/mkdocs.yml
index 76ca381..558a586 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -12,6 +12,8 @@ theme:
   favicon: /_static/img/logo.svg
   features:
     - content.code.copy
+    - navigation.tabs
+    - navigation.footer
   palette:
     - scheme: default
       toggle:
@@ -39,39 +41,41 @@ markdown_extensions:
 
 
 nav:
-  - Overview: index.md
-  - 'Sources codes': sources.md
+  - Overview:
+    - Overview: index.md
+    - 'Sources codes': sources.md
   - Installation: install.md
-  - 'Tree manager':
-    - Overview: tree/index.md
-    - Navigation: tree/navigation.md
-    - Menu: tree/menu.md
-    - Node: tree/node.md
-    - Page: tree/page.md
-  - Controller: controller.md
-  - Template: template.md
-  - Entities:
-    - 'Entity Manager': entities/em.md
-    - 'Repository Query': entities/query.md
-    - Factory: entities/factory.md
-  - CRUD:
-    - Overview: crud/index.md
-    - Generator: crud/generator.md
-    - Configuration: crud/configuration.md
-  - Settings:
-    - 'Global settings': settings/global.md
-    - 'Navigation settings': settings/navigation.md
-  - Editors:
-    - TinyMCE: utils/editors/tinymce.md
-    - GrapesJS: utils/editors/grapesjs.md
-    - Editor.js: utils/editors/editorjs.md
-  - Utils:
-    - Cache Manager: utils/cache.md
-    - Doctrine: utils/doctrine.md
-    - File upload handler: utils/file_handler.md
-    - File attribute: utils/file_attribute.md
-    - Mail notifier: utils/mail.md
-    - Slug: utils/slug.md
-  - "A/B Testing": abtesting.md
-  - Users: users.md
-  - Tasks: tasks.md
+  - Documentation:
+    - 'Tree manager':
+      - Overview: tree/index.md
+      - Navigation: tree/navigation.md
+      - Menu: tree/menu.md
+      - Node: tree/node.md
+      - Page: tree/page.md
+    - Controller: controller.md
+    - Template: template.md
+    - Entities:
+      - 'Entity Manager': entities/em.md
+      - 'Repository Query': entities/query.md
+      - Factory: entities/factory.md
+    - CRUD:
+      - Overview: crud/index.md
+      - Generator: crud/generator.md
+      - Configuration: crud/configuration.md
+    - Settings:
+      - 'Global settings': settings/global.md
+      - 'Navigation settings': settings/navigation.md
+    - Editors:
+      - TinyMCE: utils/editors/tinymce.md
+      - GrapesJS: utils/editors/grapesjs.md
+      - Editor.js: utils/editors/editorjs.md
+    - Utils:
+      - Cache Manager: utils/cache.md
+      - Doctrine: utils/doctrine.md
+      - File upload handler: utils/file_handler.md
+      - File attribute: utils/file_attribute.md
+      - Mail notifier: utils/mail.md
+      - Slug: utils/slug.md
+    - "A/B Testing": abtesting.md
+    - Users: users.md
+    - Tasks: tasks.md