Improve routing documentation

docs/content/routing/overview.md

@@ -112,19 +112,19 @@ http:
         - url: http://private/whoami-service
 ```
 
-!!! note "The File Provider"
+!!! info ""
 
     In this example, we use the [file provider](../providers/file.md).
     Even if it is one of the least magical way of configuring Traefik, it explicitly describes every available notion.
 
-!!! note "HTTP / TCP"
+!!! info "HTTP / TCP"
 
     In this example, we've defined routing rules for http requests only.
     Traefik also supports TCP requests. To add [TCP routers](./routers/index.md) and [TCP services](./services/index.md), declare them in a TCP section like in the following.
 
     ??? example "Adding a TCP route for TLS requests on whoami.traefik.io"
 
-        Static configuration:
+        **Static Configuration**
         
         ```toml tab="File (TOML)"
         [entryPoints]
@@ -157,7 +157,7 @@ http:
         --providers.file.filename=dynamic_conf.toml
         ```
         
-        Dynamic configuration:
+        **Dynamic Configuration**
 
         ```toml tab="TOML"
         # http routing section