CSS Pseudo Elements

::before
div

p

h1

::after
div

p

h1

::first-letter
div
::first-line
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Blanditiis beatae pariatur, velit consequatur cupiditate porro vitae, corporis rem praesentium quisquam quis ex voluptatum non sapiente autem optio et quidem! Saepe!
::placeholder

https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-elements

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