How 'before' and 'after'keyword are different and where can they use?

Question

html

Answer 1

Thank you😊

Answer 2

::after is a pseudo element which allows you to insert content onto a page from CSS (without it needing to be in the HTML).

::before is exactly the same only it inserts the content before any other content in the HTML instead of after.

Check this out.
https://css-tricks.com/almanac/selectors/a/after-and-before/