Hola se que eres un apasionado por aprender cada día mas, asi que te dejare una lista y una apgina en donde puedes consultar el uno a uno de cada pseudoclase y pseudoelemento, espero que te guste 😃
PSEUDO ELEMENTOQuiero saber mas 😃
::after
::before
::first-letter
::first-line
::selection
::backdrop
::placeholder
::marker
::spelling-error
::grammar-error
PSEUDO CLASEQuiero saber mas 😃
:active
:checked
:default
:dir()
:disabled
:empty
:enabled
:first
:first-child
:first-of-type
:fullscreen
:focus
:hover
:indeterminate
:in-range
:invalid
:lang()
:last-child
:last-of-type
:left
:link
:not()
:nth-child()
:nth-last-child()
:nth-last-of-type()
:nth-of-type()
:only-child
:only-of-type
:optional
:out-of-range
:read-only
:read-write
:required
:right
:root
:scope
:target
:valid
:visited
