Frontend Верстка (β)

Псевдоклассы и псевдоэлементы

https://web.dev/learn/css/pseudo-classes/ (Intermediate)
https://developer.mozilla.org/ru/docs/Web/CSS/Pseudo-classes (Intermediate)
https://web.dev/learn/css/pseudo-elements/ (Intermediate)
https://developer.mozilla.org/ru/docs/Web/CSS/Pseudo-elements (Intermediate)