diff --git a/docs/content/middlewares/addprefix.md b/docs/content/middlewares/addprefix.md
index ac9ba6538..66ab2160c 100644
--- a/docs/content/middlewares/addprefix.md
+++ b/docs/content/middlewares/addprefix.md
@@ -9,34 +9,28 @@ The AddPrefix middleware updates the URL Path of the request before forwarding i
 
 ## Configuration Examples
 
-??? example "File -- Prefixing with /foo"
+```yaml tab="Docker"
+# Prefixing with /foo
+labels:
+- "traefik.http.middlewares.add-bar.addprefix.prefix=/foo"
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.add-foo.AddPrefix]
-         prefix = "/foo"
-    ```
+```yaml tab="Kubernetes"
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: addprefix
+spec:
+  addprefix:
+    prefix: /bar
+```
 
-??? example "Docker -- Prefixing with /bar"
-
-    ```yaml
-    a-container:
-      image: a-container-image 
-        labels:
-          - "traefik.http.middlewares.add-bar.addprefix.prefix=/bar"
-    ```
-
-??? example "Kubernetes -- Prefixing with /bar"
-
-    ```yaml
-    apiVersion: traefik.containo.us/v1alpha1
-    kind: Middleware
-    metadata:
-      name: addprefix
-    spec:
-      addprefix:
-        prefix: /bar
-    ```
+```toml tab="File"
+# Prefixing with /foo
+[http.middlewares]
+  [http.middlewares.add-foo.AddPrefix]
+     prefix = "/foo"
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/basicauth.md b/docs/content/middlewares/basicauth.md
index 7060bf11b..f07e56d09 100644
--- a/docs/content/middlewares/basicauth.md
+++ b/docs/content/middlewares/basicauth.md
@@ -9,23 +9,19 @@ The BasicAuth middleware is a quick way to restrict access to your services to k
 
 ## Configuration Examples
 
-??? example "File -- Declaring the user list"
+```yaml tab="Docker"
+# Declaring the user list
+labels:
+  - "traefik.http.middlewares.declared-users-only.basicauth.users=test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0",
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-auth.basicauth]
-      users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", 
-      "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]
-    ```
-
-??? example "Docker -- Using an external file for the authorized users"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.declared-users-only.basicauth.usersFile=path-to-file.ext",
-    ```
+```toml tab="File"
+# Declaring the user list
+[http.middlewares]
+  [http.middlewares.test-auth.basicauth]
+  users = ["test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/", 
+  "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"]
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/buffering.md b/docs/content/middlewares/buffering.md
index 917edab4b..f1b9d2746 100644
--- a/docs/content/middlewares/buffering.md
+++ b/docs/content/middlewares/buffering.md
@@ -13,22 +13,18 @@ This can help services deal with large data (multipart/form-data for example), a
 
 ## Configuration Examples
 
-??? example "File -- Sets the maximum request body to 2Mb"
-    
-    ```toml
-    [http.middlewares]
-      [http.middlewares.2Mb-limit.buffering]
-          maxRequestBodyBytes = 250000
-    ``` 
+```yaml tab="Docker"
+# Sets the maximum request body to 2Mb
+labels:
+- "traefik.http.middlewares.2Mb-memory.buffering.maxRequestBodyBytes=250000",
+```
 
-??? example "Docker -- Buffers 1Mb of the request in memory, then writes to disk"
-
-    ```yaml
-    a-container:
-      image: a-container-image 
-        labels:
-          - "traefik.http.middlewares.1Mb-memory.buffering.memRequestBodyBytes=125000",
-    ```
+```toml tab="File"
+# Sets the maximum request body to 2Mb
+[http.middlewares]
+  [http.middlewares.2Mb-limit.buffering]
+      maxRequestBodyBytes = 250000
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/circuitbreaker.md b/docs/content/middlewares/circuitbreaker.md
index c1e4e3f21..9c6913cd3 100644
--- a/docs/content/middlewares/circuitbreaker.md
+++ b/docs/content/middlewares/circuitbreaker.md
@@ -23,23 +23,18 @@ To assess if your system is healthy, the circuit breaker constantly monitors the
 
 ## Configuration Examples
 
-??? example "Latency Check -- Using Toml"
+```yaml tab="Docker"
+# Latency Check
+labels:
+- "traefik.http.middlewares.latency-check.circuitbreaker.expression=LatencyAtQuantileMS(50.0) > 100"
+```
 
-    ```toml
-    [http.middlewares]
-       [http.middlewares.latency-check.circuitbreaker]
-          expression = "LatencyAtQuantileMS(50.0) > 100"
-    ```
-
-??? example "Latency Check -- Using Docker Labels"
-   
-    ```yaml
-    # in a docker compose file
-    container-definition:
-         image: image-name
-         labels:
-             - "traefik.http.middlewares.latency-check.circuitbreaker.expression=LatencyAtQuantileMS(50.0) > 100"
-    ```
+```toml tab="File"
+# Latency Check
+[http.middlewares]
+   [http.middlewares.latency-check.circuitbreaker]
+      expression = "LatencyAtQuantileMS(50.0) > 100"
+```
 
 ## Possible States
 
diff --git a/docs/content/middlewares/compress.md b/docs/content/middlewares/compress.md
index cc19cd2ee..c0b15691d 100644
--- a/docs/content/middlewares/compress.md
+++ b/docs/content/middlewares/compress.md
@@ -9,21 +9,17 @@ The Compress middleware enables the gzip compression.
 
 ## Configuration Examples
 
-??? example "File -- enable gzip compression"
+```yaml tab="Docker"
+# Enable gzip compression
+labels:
+- "traefik.http.middlewares.test-compress.compress=true",
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-compress.Compress]
-    ```
-    
-??? example "Docker -- enable gzip compression"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.test-compress.compress=true",
-    ```
+```toml tab="File"
+# Enable gzip compression
+[http.middlewares]
+  [http.middlewares.test-compress.Compress]
+```
 
 ## Notes
 
diff --git a/docs/content/middlewares/digestauth.md b/docs/content/middlewares/digestauth.md
index e57f49cb9..72b87f544 100644
--- a/docs/content/middlewares/digestauth.md
+++ b/docs/content/middlewares/digestauth.md
@@ -9,23 +9,17 @@ The DigestAuth middleware is a quick way to restrict access to your services to
 
 ## Configuration Examples
 
-??? example "File -- Declaring the user list"
+```yaml tab="Docker"
+labels:
+- "traefik.http.middlewares.declared-users-only.digestauth.usersFile=path-to-file.ext",
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-auth.digestauth]
-        users = ["test:traefik:a2688e031edb4be6a3797f3882655c05",
-        "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"]
-    ```
-
-??? example "Docker -- Using an external file for the authorized users"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.declared-users-only.digestauth.usersFile=path-to-file.ext",
-    ```
+```toml tab="File"
+[http.middlewares]
+  [http.middlewares.test-auth.digestauth]
+    users = ["test:traefik:a2688e031edb4be6a3797f3882655c05",
+    "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"]
+```
 
 !!! tip 
    
diff --git a/docs/content/middlewares/errorpages.md b/docs/content/middlewares/errorpages.md
index d5f99393c..f890c1605 100644
--- a/docs/content/middlewares/errorpages.md
+++ b/docs/content/middlewares/errorpages.md
@@ -12,38 +12,33 @@ The ErrorPage middleware returns a custom page in lieu of the default, according
 
 ## Configuration Examples
 
-??? example "File -- Custom Error Page for 5XX"
+```yaml tab="Docker"
+# Dynamic Custom Error Page for 5XX Status Code
+labels:
+- "traefik.http.middlewares.test-errorpage.errors.status=500-599",
+- "traefik.http.middlewares.test-errorpage.errors.service=serviceError",
+- "traefik.http.middlewares.test-errorpage.errors.query=/{status}.html",
+```
 
-    ```toml
-    [http.routers]
-      [http.routers.router1]
-        Service = "my-service"
-        Rule = Host(`my-domain`)
+```toml tab="File"
+# Custom Error Page for 5XX
+[http.routers]
+  [http.routers.router1]
+    Service = "my-service"
+    Rule = Host(`my-domain`)
 
-    [http.middlewares]
-      [http.middlewares.5XX-errors.Errors]
-        status = ["500-599"]
-        service = "error-handler-service"
-        query = "/error.html"
-                
-    [http.services]
-      # ... definition of error-handler-service and my-service
-    ```
+[http.middlewares]
+  [http.middlewares.5XX-errors.Errors]
+    status = ["500-599"]
+    service = "error-handler-service"
+    query = "/error.html"
+            
+[http.services]
+  # ... definition of error-handler-service and my-service
+```
 
-??? example "Docker -- Dynamic Custom Error Page for 5XX Status Code"
-
-    ```yaml
-    a-container:
-      image: a-container-image 
-        labels:
-          - "traefik.http.middlewares.test-errorpage.errors.status=500-599",
-          - "traefik.http.middlewares.test-errorpage.errors.service=serviceError",
-          - "traefik.http.middlewares.test-errorpage.errors.query=/{status}.html",
-            		
-    ```
-    
-    !!! note 
-        In this example, the error page URL is based on the status code (`query=/{status}.html)`.
+!!! note 
+    In this example, the error page URL is based on the status code (`query=/{status}.html)`.
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/forwardauth.md b/docs/content/middlewares/forwardauth.md
index ffac859c8..53e0dc33a 100644
--- a/docs/content/middlewares/forwardauth.md
+++ b/docs/content/middlewares/forwardauth.md
@@ -11,38 +11,33 @@ Otherwise, the response from the authentication server is returned.
 
 ## Configuration Examples
 
-??? example "File -- Forward authentication to authserver.com"
+```toml tab="File"
+# Forward authentication to authserver.com
+[http.middlewares]
+  [http.middlewares.test-auth.forwardauth]
+    address = "https://authserver.com/auth"
+    trustForwardHeader = true
+    authResponseHeaders = ["X-Auth-User", "X-Secret"]
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-auth.forwardauth]
-        address = "https://authserver.com/auth"
-        trustForwardHeader = true
-        authResponseHeaders = ["X-Auth-User", "X-Secret"]
+    [http.middlewares.test-auth.forwardauth.tls]
+      ca = "path/to/local.crt"
+      caOptional = true
+      cert = "path/to/foo.cert"
+      key = "path/to/foo.key"      
+```
 
-        [http.middlewares.test-auth.forwardauth.tls]
-          ca = "path/to/local.crt"
-          caOptional = true
-          cert = "path/to/foo.cert"
-          key = "path/to/foo.key"      
-    ```
-
-??? example "Docker -- Forward authentication to authserver.com"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.test-auth.ForwardAuth.Address=https://authserver.com/auth"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.AuthResponseHeaders=X-Auth-User, X-Secret"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TLS.CA=path/to/local.crt"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TLS.CAOptional=true"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TLS.Cert=path/to/foo.cert"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TLS.InsecureSkipVerify=true"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TLS.Key=path/to/foo.key"
-              - "traefik.http.middlewares.test-auth.ForwardAuth.TrustForwardHeader=true"
-              		
-    ```
+```yaml tab="Docker"
+# Forward authentication to authserver.com
+labels:
+- "traefik.http.middlewares.test-auth.ForwardAuth.Address=https://authserver.com/auth"
+- "traefik.http.middlewares.test-auth.ForwardAuth.AuthResponseHeaders=X-Auth-User, X-Secret"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TLS.CA=path/to/local.crt"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TLS.CAOptional=true"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TLS.Cert=path/to/foo.cert"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TLS.InsecureSkipVerify=true"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TLS.Key=path/to/foo.key"
+- "traefik.http.middlewares.test-auth.ForwardAuth.TrustForwardHeader=true"
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/headers.md b/docs/content/middlewares/headers.md
index 0f6924dc8..3fdc4930a 100644
--- a/docs/content/middlewares/headers.md
+++ b/docs/content/middlewares/headers.md
@@ -13,26 +13,22 @@ The Headers middleware can manage the requests/responses headers.
 
 Add the `X-Script-Name` header to the proxied request and the `X-Custom-Response-Header` to the response
 
-??? example "File"
+```yaml tab="Docker"
+a-container:
+image: a-container-image 
+labels:
+- "traefik.http.middlewares.testHeader.Headers.CustomRequestHeaders.X-Script-Name=test",
+- "traefik.http.middlewares.testHeader.Headers.CustomResponseHeaders.X-Custom-Response-Header=True",
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.testHeader.headers]
-        [http.middlewares.testHeader.headers.CustomRequestHeaders]
-            X-Script-Name = "test"
-        [http.middlewares.testHeader.headers.CustomResponseHeaders]
-            X-Custom-Response-Header = "True"
-    ```
-
-??? example "Docker"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.testHeader.Headers.CustomRequestHeaders.X-Script-Name=test",
-              - "traefik.http.middlewares.testHeader.Headers.CustomResponseHeaders.X-Custom-Response-Header=True",
-    ```
+```toml tab="File"
+[http.middlewares]
+  [http.middlewares.testHeader.headers]
+    [http.middlewares.testHeader.headers.CustomRequestHeaders]
+        X-Script-Name = "test"
+    [http.middlewares.testHeader.headers.CustomResponseHeaders]
+        X-Custom-Response-Header = "True"
+```
 
 ### Adding and Removing Headers
 
diff --git a/docs/content/middlewares/ipwhitelist.md b/docs/content/middlewares/ipwhitelist.md
index 3e979b8e1..0be532b4c 100644
--- a/docs/content/middlewares/ipwhitelist.md
+++ b/docs/content/middlewares/ipwhitelist.md
@@ -9,22 +9,18 @@ IPWhitelist accepts / refuses requests based on the client IP.
 
 ## Configuration Examples
 
-??? example "File -- Accepts request from defined IP"
+```yaml tab="Docker"
+# Accepts request from defined IP
+labels:
+- "traefik.http.middlewares.Middleware9.IPWhiteList.SourceRange=127.0.0.1/32, 192.168.1.7"
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-ipwhitelist.ipWhiteList]
-        sourceRange = ["127.0.0.1/32", "192.168.1.7"]
-    ```
-
-??? example "Docker -- Accepts request from defined IP"
-
-    ```yml
-     a-container:
-        image: a-container-image 
-            labels:
-                - "traefik.http.middlewares.Middleware9.IPWhiteList.SourceRange=127.0.0.1/32, 192.168.1.7"
-    ```
+```toml tab="File"
+# Accepts request from defined IP
+[http.middlewares]
+  [http.middlewares.test-ipwhitelist.ipWhiteList]
+    sourceRange = ["127.0.0.1/32", "192.168.1.7"]
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/maxconnection.md b/docs/content/middlewares/maxconnection.md
index 9b5e9e70e..2863ea5dd 100644
--- a/docs/content/middlewares/maxconnection.md
+++ b/docs/content/middlewares/maxconnection.md
@@ -9,22 +9,18 @@ To proactively prevent services from being overwhelmed with high load, a maximum
 
 ## Configuration Examples
 
-??? example "File -- Limiting to 10 simultaneous connections"
+```yaml tab="Docker"
+# Limiting to 10 simultaneous connections
+labels:
+- "traefik.http.middlewares.test-maxconn.maxconn.amount=10"
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-maxconn.maxconn]
-      amount = 10 
-    ```
-
-??? example "Docker -- Limiting to 10 simultaneous connections"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.test-maxconn.maxconn.amount=10"
-    ```
+```toml tab="File"
+# Limiting to 10 simultaneous connections
+[http.middlewares]
+  [http.middlewares.test-maxconn.maxconn]
+  amount = 10 
+```
 
 ## Configuration Options
 
diff --git a/docs/content/middlewares/overview.md b/docs/content/middlewares/overview.md
index 90cd6febe..1d1dec3f6 100644
--- a/docs/content/middlewares/overview.md
+++ b/docs/content/middlewares/overview.md
@@ -13,79 +13,75 @@ Pieces of middleware can be combined in chains to fit every scenario.
 
 ## Configuration Example
 
-??? example "As Toml Configuration File"
+```yaml tab="Docker"
+# As a Docker Label
+whoami:
+  image: containous/whoami  # A container that exposes an API to show its IP address
+  labels:
+    - "traefik.http.middlewares.foo-add-prefix.addprefix.prefix=/foo",
+```
 
-    ```toml
-    [providers]
-       [providers.file]
-
-    [http.routers]
-      [http.routers.router1]
-        Service = "myService"
-        Middlewares = ["foo-add-prefix"]
-        Rule = "Host(`example.com`)"
-
-    [http.middlewares]
-     [http.middlewares.foo-add-prefix.AddPrefix]
-        prefix = "/foo"
-
-    [http.services]
-     [http.services.service1]
-       [http.services.service1.LoadBalancer]
-
-         [[http.services.service1.LoadBalancer.Servers]]
-           URL = "http://127.0.0.1:80"
-           Weight = 1
-    ```
-
-??? example "As a Docker Label"
-
-    ```yaml
-    # A container that exposes a simple API
-    whoami:
-      image: containous/whoami  # A container that exposes an API to show its IP address
-        labels:
-          - "traefik.http.middlewares.foo-add-prefix.addprefix.prefix=/foo",
-    ```
-
-??? example "As a Kubernetes Traefik IngressRoute"
-
-    ```yaml
-    apiVersion: apiextensions.k8s.io/v1beta1
-    kind: CustomResourceDefinition
-    metadata:
-      name: middlewares.traefik.containo.us
-    spec:
-      group: traefik.containo.us
-      version: v1alpha1
-      names:
-        kind: Middleware
-        plural: middlewares
-        singular: middleware
-      scope: Namespaced
-
-    ---
-    apiVersion: traefik.containo.us/v1alpha1
+```yaml tab="Kubernetes"
+# As a Kubernetes Traefik IngressRoute
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: middlewares.traefik.containo.us
+spec:
+  group: traefik.containo.us
+  version: v1alpha1
+  names:
     kind: Middleware
-    metadata:
-      name: stripprefix
-    spec:
-      stripprefix:
-        prefixes:
-          - /stripit
+    plural: middlewares
+    singular: middleware
+  scope: Namespaced
 
-    ---
-    apiVersion: traefik.containo.us/v1alpha1
-    kind: IngressRoute
-    metadata:
-      name: ingressroute.crd
-    spec:
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: stripprefix
+spec:
+  stripprefix:
+    prefixes:
+      - /stripit
+
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: ingressroute.crd
+spec:
+# more fields...
+  routes:
     # more fields...
-      routes:
-        # more fields...
-        middleware:
-        - name: stripprefix
-    ```
+    middleware:
+    - name: stripprefix
+```
+
+```toml tab="File"
+# As Toml Configuration File
+[providers]
+   [providers.file]
+
+[http.routers]
+  [http.routers.router1]
+    Service = "myService"
+    Middlewares = ["foo-add-prefix"]
+    Rule = "Host(`example.com`)"
+
+[http.middlewares]
+ [http.middlewares.foo-add-prefix.AddPrefix]
+    prefix = "/foo"
+
+[http.services]
+ [http.services.service1]
+   [http.services.service1.LoadBalancer]
+
+     [[http.services.service1.LoadBalancer.Servers]]
+       URL = "http://127.0.0.1:80"
+       Weight = 1
+```
 
 ## Advanced Configuration
 
diff --git a/docs/content/middlewares/passtlsclientcert.md b/docs/content/middlewares/passtlsclientcert.md
index 6d7640157..f1a9c5774 100644
--- a/docs/content/middlewares/passtlsclientcert.md
+++ b/docs/content/middlewares/passtlsclientcert.md
@@ -9,26 +9,47 @@ PassTLSClientCert adds in header the selected data from the passed client tls ce
 
 ## Configuration Examples
 
-??? example "File -- Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header"
+Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
+
+```yaml tab="Docker"
+# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
+labels:
+- "traefik.http.middlewares.Middleware11.passtlsclientcert.pem=true"
+```
+
+```toml tab="File"
+# Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header.
+[http.middlewares]
+  [http.middlewares.test-passtlsclientcert.passtlsclientcert]
+    pem = true
+```
+
+??? example "Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header"
+
+    ```yaml tab="Docker"
+    # Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
+    labels:
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.notafter=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.notbefore=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.sans=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.commonname=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.country=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.domaincomponent=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.locality=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.organization=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.province=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.serialnumber=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.commonname=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.country=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.domaincomponent=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.locality=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.organization=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.province=true"
+    - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.serialnumber=true"
+    ```
     
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-passtlsclientcert.passtlsclientcert]
-        pem = true
-    ```
-
-??? example "Docker -- Pass the escaped pem in the `X-Forwarded-Tls-Client-Cert` header"
-
-    ```yml
-     a-container:
-        image: a-container-image 
-            labels:
-                - "traefik.http.middlewares.Middleware11.passtlsclientcert.pem=true"
-    ```
-
-??? example "File -- Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header"
-
-    ```toml
+    ```toml tab="File"
+    # Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header
     [http.middlewares]
       [http.middlewares.test-passtlsclientcert.passtlsclientcert]
         [http.middlewares.test-passtlsclientcert.passtlsclientcert.info]
@@ -53,31 +74,6 @@ PassTLSClientCert adds in header the selected data from the passed client tls ce
             domainComponent = true
     ```
 
-??? example "Docker -- Pass all the available info in the `X-Forwarded-Tls-Client-Cert-Info` header"
-
-    ```yml
-     a-container:
-        image: a-container-image 
-            labels:
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.notafter=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.notbefore=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.sans=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.commonname=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.country=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.domaincomponent=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.locality=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.organization=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.province=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.subject.serialnumber=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.commonname=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.country=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.domaincomponent=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.locality=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.organization=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.province=true"
-                - "traefik.http.middlewares.test-passtlsclientcert.passtlsclientcert.info.issuer.serialnumber=true"
-    ```
-
 ## Configuration Options
 
 ### General
diff --git a/docs/content/middlewares/ratelimit.md b/docs/content/middlewares/ratelimit.md
index 2ed64c38b..065723e28 100644
--- a/docs/content/middlewares/ratelimit.md
+++ b/docs/content/middlewares/ratelimit.md
@@ -10,34 +10,34 @@ The RateLimit middleware ensures that services will receive a _fair_ number of r
 ## Configuration Example
 
 ??? example "Limit to 100 requests every 10 seconds (with a possible burst of 200)"
-
+    
     ```toml
     [http.middlewares]
-        [http.middlewares.fair-ratelimit.ratelimit]
-            extractorfunc = "client.ip"
-    
-              [http.middlewares.fair-ratelimit.ratelimit.rateset1]
-                period = "10s"
-                average = 100
-                burst = 200
+      [http.middlewares.fair-ratelimit.ratelimit]
+        extractorfunc = "client.ip"
+        
+        [http.middlewares.fair-ratelimit.ratelimit.rateset1]
+          period = "10s"
+          average = 100
+          burst = 200
     ```
 
 ??? example "Combine multiple limits"
-
+    
     ```toml
     [http.middlewares]
-        [http.middlewares.fair-ratelimit.ratelimit]
-            extractorfunc = "client.ip"
+      [http.middlewares.fair-ratelimit.ratelimit]
+          extractorfunc = "client.ip"
     
-              [http.middlewares.fair-ratelimit.ratelimit.rateset1]
-                period = "10s"
-                average = 100
-                burst = 200
-
-              [http.middlewares.fair-ratelimit.ratelimit.rateset2]
-                period = "3s"
-                average = 5
-                burst = 10
+          [http.middlewares.fair-ratelimit.ratelimit.rateset1]
+            period = "10s"
+            average = 100
+            burst = 200
+    
+          [http.middlewares.fair-ratelimit.ratelimit.rateset2]
+            period = "3s"
+            average = 5
+            burst = 10
     ```
     
     Here, an average of 5 requests every 3 seconds is allowed and an average of 100 requests every 10 seconds. These can "burst" up to 10 and 200 in each period, respectively. 
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 4fbf20cb8..e6552aa6a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 mkdocs==1.0.4
 pymdown-extensions==6.0
 mkdocs-bootswatch==1.0
-mkdocs-material==3.3.0
+mkdocs-material==4.0.2
 markdown-include==0.5.1