What is the method of regulating the appearance of elements on the screen?

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The method of regulating the appearance of elements on the screen is known as Cascading Style Sheets (CSS). CSS is a language used to describe the presentation of documents written in HTML or XML. It allows web developers to control the layout, typography, color, and other visual aspects of web pages. The CSS rules specify the styles for each element on the page, including font size, background color, margins, padding, and more. By using CSS, web designers can create engaging and visually appealing websites that are easy to read and navigate.