Merge branch v2.3 into v2.4

docs/mkdocs.yml

@@ -9,10 +9,11 @@ repo_url: 'https://github.com/traefik/traefik'
 
 docs_dir: 'content'
 
+product: proxy
+
 # https://squidfunk.github.io/mkdocs-material/
 theme:
-  name: 'material'
-  custom_dir: 'theme'
+  name: 'traefik-labs'
   language: en
   include_sidebar: true
   favicon: assets/img/traefikproxy-icon-color.png
@@ -28,15 +29,6 @@ theme:
 
 copyright: "Copyright © 2016-2020 Containous; 2020-2021 Traefik Labs"
 
-extra_css:
-  - assets/styles/root.css
-  - assets/styles/header.css
-  - assets/styles/footer.css
-  - assets/styles/menu.css
-  - assets/styles/content.css
-  - assets/styles/product-switcher.css
-  - assets/styles/atom-one-light.css # HightlightJS's CSS theme
-
 extra_javascript:
   - assets/js/hljs/highlight.pack.js # Download from https://highlightjs.org/download/ and enable YAML, TOML and Dockerfile
   - assets/js/extra.js