Various improvements

docs/source/api/client.rst

@@ -8,7 +8,6 @@ found starting from this page.
 This page is about the Client class, which exposes high-level methods for an easy access to the API.
 
 .. code-block:: python
-    :emphasize-lines: 1-3
 
     from pyrogram import Client
 

docs/source/api/decorators.rst

@@ -1,16 +1,12 @@
 Decorators
 ==========
 
-While still being methods bound to the :class:`~pyrogram.Client` class, decorators are of a special kind and thus
-deserve a dedicated page.
-
 Decorators are able to register callback functions for handling updates in a much easier and cleaner way compared to
 :doc:`Handlers <handlers>`; they do so by instantiating the correct handler and calling
 :meth:`~pyrogram.Client.add_handler` automatically. All you need to do is adding the decorators on top of your
 functions.
 
 .. code-block:: python
-    :emphasize-lines: 6
 
     from pyrogram import Client
 

docs/source/api/handlers.rst

@@ -5,7 +5,6 @@ Handlers are used to instruct Pyrogram about which kind of updates you'd like to
 For a much more convenient way of registering callback functions have a look at :doc:`Decorators <decorators>` instead.
 
 .. code-block:: python
-    :emphasize-lines: 2, 11
 
     from pyrogram import Client
     from pyrogram.handlers import MessageHandler