What is a CSS Pseudo-Element Selector?
The CSS pseudo-element selectors are selectors that are arrangements of content within the HTML document that make up a form of undefined element. The pseudo-element selectors are: • :after matches after an element, to place generated content. • :before matches before an element, to place generated content. • :first-letter matches the first letter of an element. • :hover matches the first line of text of an element.