CSS Tutorial

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CSS is the language we use to style an HTML document.

CSS describes how HTML elements should be displayed.

This tutorial will teach you CSS from basic to advanced.

Start learning CSS now »

Examples in Each Chapter

This CSS tutorial contains hundreds of CSS examples.

With our online editor, you can edit the CSS, and click on a button to view the result.

CSS Example

body {
  background-color: lightblue;
}

h1 {
  color: white;
  text-align: center;
}

p {
font-family: verdana;
  font-size: 20px;
}

Try it Yourself »

Click on the "Try it Yourself" button to see how it works.

CSS Examples

Learn from over 300 examples! With our editor, you can edit the CSS, and click on a button to view the result.

Go to CSS Examples!

Use the Menu

We recommend reading this tutorial, in the sequence listed in the menu.

If you have a large screen, the menu will always be present on the left.

If you have a small screen, open the menu by clicking the top menu sign ☰.

CSS Templates

We have created some responsive W3.CSS templates for you to use.

You are free to modify, save, share, and use them in all your projects.

Free CSS Templates!

CSS Exercises

CSS Quiz

Test your CSS skills with a quiz.

Start CSS Quiz!

CSS References

At 91xjr you will find complete CSS references of all properties and selectors with syntax, examples, browser support, and more.

CSS Properties

CSS Selectors

CSS Browser Support

CSS Functions

CSS Animatable

CSS Aural

CSS Web Safe Fonts

CSS Units

Px to Em Conversion

CSS Colors

CSS Default Values

CSS Entities