CSS Selectors is a language used to select HTML elements on a web page. It allows web developers to target specific elements on a page and apply styles to them. CSS Selectors can be used to target elements by their class, ID, type, attribute, and more. With CSS Select
From Wikipedia
Cascading Style Sheets (CSS) is a style sheet language used for specifying the presentation and styling of a document written in a markup language, such as HTML or XML. CSS is a cornerstone technology of the World Wide Web, alongside HTML and JavaScript.