Introduction to CSS || Code With Neha

Published: 24 November 2023
on channel: Code With Neha
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So today we are starting of with CSS

CSS is the language we use to style a Web page.

What is CSS?

• CSS stands for Cascading Style Sheets

• CSS describes how HTML elements are to be displayed on screen, paper, or in other media

• CSS saves a lot of work. It can control the layout of multiple web pages all at once

• External stylesheets are stored in CSS files

Why Use CSS?

CSS is used to define styles for your web pages, including the design, layout and variations in display for different devices and screen sizes.

HTML was NEVER intended to contain tags for formatting a web page!

HTML was created to describe the content of a web page, like:



When tags like font, and color attributes were added to the HTML 3.2 specification, it started a nightmare for web developers. Development of large websites, where fonts and color information were added to every single page, became a long and expensive process.

To solve this problem, the World Wide Web Consortium (W3C) created CSS.


A CSS rule consists of a selector and a declaration block.

h1 { color:blue ; font- size :20px};



The selector points to the HTML element you want to style.

The declaration block contains one or more declarations separated by semicolons.

Each declaration includes a CSS property name and a value, separated by a colon.

Multiple CSS declarations are separated with semicolons, and declaration blocks are surrounded by curly braces.
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