all pseudo classes in css code example
Example: pseudo elements css
::after Matches a stylable element appearing after the originating element's actual content.
::before Matches a stylable element appearing before the originating element's actual content.
::first-letter Matches the first letter of the element.
::first-line Matches the first line of the containing element.
::grammar-error Matches a portion of the document containing a grammar error as flagged by the browser.
::marker Matches the marker box of a list item, which typically contains a bullet or number.
::selection Matches the portion of the document that has been selected.
::spelling-error Matches a portion of the document containing a spelling error as flagged by the browser.