What is CSS ?
CSS stands for Cascading Style Sheets.
CSS is the language for describing the presentation of Web pages, including colors, layout, size and fonts and its stands for “Cascading Style Sheets.” It describes how HTML elements are to be shown on screen, paper, web page, or any media.
<html> <h1 style= “color:green;font-style:italic”> Hello World!</h1> </html>
style= “color:green;font-style:italic” is a CSS code, which specifies the text colr as green and font style is italic.