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CSS Introduction

Cascading Style Sheets control how web pages look — colours, spacing, fonts and layout. Learn what CSS does, how it pairs with HTML, and why the cascade is the key idea.


What is CSS?

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

  • 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

CSS Demo - One HTML Page - Multiple Styles!

Here we will show one HTML page displayed with four different stylesheets. Click on the "Stylesheet 1", "Stylesheet 2", "Stylesheet 3", "Stylesheet 4" links below to see the different styles:


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.

CSS Example

body
{
  background-color: lightblue;
}

h1
{

  color: white;

  text-align: center;

}

p
{

font-family: verdana;

  font-size: 20px;

}

CSS Saves a Lot of Work!

The CSS definitions are normally saved in an external .css file.

With an external stylesheet file, you can change the look of an entire website by changing just one file!

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CSS Introduction – FAQs

Quick answers about learning CSS Introduction in CSS.

This free note from Coding Now Tech Institute explains CSS Introduction in CSS — concept, syntax and worked code examples you can copy, run and revise before interviews.
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With focused practice, most students grasp CSS Introduction in 1–3 days from these notes; pairing it with Coding Now Tech Institute's mentor-led course takes you to job-ready depth faster.
Use the code examples in this note, then ask doubts for free on the Coding Now Tech Institute Community (/community) — expert instructors answer within 24 hours.
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