Added Pseudo Element Documentation#8933

Mortal303 wants to merge 3 commits intoGirlScript:Frontend_Web_Development_HTML_CSS_JSGirlScript/winter-of-contributing:Frontend_Web_Development_HTML_CSS_JSfrom

Mortal303:Frontend_Web_Development_HTML_CSS_JSMortal303/winter-of-contributing:Frontend_Web_Development_HTML_CSS_JSCopy head branch name to clipboard