CSS is a style sheet language used to describe the presentation of documents on webpages. It is used to control the look of the text, images, and other content on webpages.
CSS stands for Cascading Style Sheets and it helps to separate the content from the layout. It is a powerful tool for controlling the appearance of webpage. It also helps to emphasize on what content is important. CSS works on a separate layer, which means that it does not affect page loading speeds. In addition, CSS provides more control over web pages by allowing web designers to touch up specific parts of a webpage without having to do any coding or redesigning.