Can you tell the use of pseudo-classes in CSS?

An element that is in a particular state, such as being the first element of its type or having the mouse pointer over it, will be selected by a pseudo-class selector.When referring to something that is untrue, such as pseudo-science or pseudo-intellectual, the word pseudo is frequently paired with another word that has been hyphenated. Additionally, the prefix pseudo- is seen in nouns like pseudonym.

In CSS, the special state of an element is defined by a pseudo class. It can be used in conjunction with a CSS selector to give existing elements a state-based effect. As an illustration, changing the style of an element when the user hovers over it or clicks a link