What Is CSS?

Overview

This lesson explains what is css in a beginner-friendly way. CSS is used to style HTML pages and control colors, fonts, spacing, layouts, responsiveness, and visual effects.

If you are new to web development, start with the HTML Tutorial, then continue with this CSS Tutorial, and after that learn JavaScript.

Basic CSS Example

Here is a simple CSS example:

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
}

h1 {
  color: #1d3557;
  text-align: center;
}

.button {
  background-color: #0066cc;
  color: white;
  padding: 10px 16px;
  border-radius: 6px;
}

CSS Best Practices

• Keep CSS organized and easy to read.
• Use external stylesheets for most websites.
• Use meaningful class names.
• Use responsive units and media queries for mobile-friendly pages.
• Avoid unnecessary inline CSS when possible.
• Test your design on desktop, tablet, and mobile screens.

Frequently Asked Questions

Is CSS easy to learn?

Yes. CSS is beginner-friendly, especially after learning basic HTML structure.

Do I need HTML before CSS?

Yes. HTML creates the structure of the page, while CSS controls its design.

What should I learn after CSS?

After CSS, learn JavaScript to add interactivity to your web pages.