CSS Introduction

What is CSS?

CSS (Cascading Style Sheets) controls layout, color, typography, and responsiveness.

Why Learn CSS?

CSS is widely used in industry and education. This tutorial follows a practical, example-driven approach so you can read a concept and try it immediately.

Learning by Examples

Our examples are concise and focused. Edit them in the Try it Yourself editor and observe the result.

body {
  font-family: sans-serif;
  background: #e8ebf0;
  color: #111827;
}