HTML & CSS: Introduction
This tutorial blends the core HTML markup skills with the CSS styling techniques you need to build real websites.
What you will learn
- How HTML structures content using semantic, accessible elements.
- How CSS controls layout, colors, typography, and responsive behavior.
- How to combine HTML and CSS to build reusable components and full projects.
- Best practices for accessibility, performance, debugging, and deployment.
Course map
This tutorial starts from the basics and gradually adds more skills.
Each chapter builds on the previous one:
- Setup: Configure your tools, create your first HTML and CSS file, and learn workflow tips.
- Foundations: Master HTML structure, text, lists, media, forms, and reusable snippets.
- Styling Core: Work with selectors, cascade rules, typography, colors, and the box model.
- Layout: Build flexible layouts with positioning, Flexbox, Grid, and responsive patterns.
- Enhancements: Add polish with custom properties, functions, transitions, transforms, and animations.
- Quality: Ensure accessibility, performance, maintainability, and efficient tooling.
- Projects: Apply everything in guided projects and prepare for deployment.
Use the left-hand menu (or the menu icon on mobile) to navigate between lessons.
How to study
- Read the explanations carefully. We highlight important definitions and gotchas.
- Run the embedded examples. Edit the HTML and CSS to immediately see the result.
- Complete the exercises and challenges at the end of each topic.
Tip: Create a dedicated project folder for the entire course.
Save each experiment so you can compare improvements over time.