HTML & CSS Academy
“From your first tag to a real, responsive website”
Learn to build real websites from zero — visually. Every lesson pairs plain-language theory with a live code playground and interactive visualizers, so you see exactly what your code does. Free forever, beginner-friendly, bilingual, and built to take you all the way from your first <h1> to a responsive, professional layout.
👀 See your code
Every lesson has a live editor — change the code, watch the page update instantly.
🎛️ Visual tools
Drag sliders to understand the box model, flexbox and more — not just read about them.
🧭 A real roadmap
A clear path from your first tag to a responsive, professional website.
🎓 Free certificate
Finish the lessons, pass the quizzes, earn a verifiable certificate.
Practice the skill tutorials skip: find the faulty line in a realistic broken page and fix it until the checks pass. No multiple choice.
HTML
The structure — the bricks and rooms of every web page.
HTML Foundations
What HTML is, the skeleton of every page, and your very first live edit — ship something in under a minute.
Opening tags, closing tags, nesting and the family tree of an HTML document.
Give elements extra information — href, src, alt, class and id — the right way.
Structure your text with h1–h6 and paragraphs, and why heading order matters for SEO and accessibility.
Ordered, unordered and description lists — the backbone of menus and content.
Connect pages with anchors, internal vs external links, and safe new-tab links.
Add images that load fast, never break the layout, and always have alt text.
Intermediate HTML
Rows, columns, headers and accessible data tables done properly.
Inputs, labels, buttons and validation — collect information from your visitors.
header, main, nav, article, footer — write meaningful markup and score 100% on clean code.
Embed media natively without heavy plugins.
Embed maps, videos and other pages safely.
Advanced HTML
Build pages everyone can use — including screen-reader and keyboard users.
Title tags, meta descriptions and heading structure that search engines love.
Control how your page looks when shared on social media.
Defer, async, lazy-loading and lean markup for fast pages on slow networks.
CSS
The style — the paint, layout and polish that make it beautiful.
CSS Beginner
What CSS is, the three ways to add it, and selectors — how you target what to style.
Hex, RGB, HSL, gradients and background images.
Content, padding, border and margin — the single most important idea in CSS, taught with a live visualizer.
Font families, sizes, weights, line-height and web fonts.
CSS Intermediate
block vs inline vs inline-block — how elements flow down the page like water.
static, relative, absolute, fixed and sticky — place elements precisely.
The modern way to align and distribute items in one dimension, with a live flexbox visualizer.
Build full two-dimensional page layouts with rows and columns.
CSS Advanced
Reusable values for color and spacing — the foundation of theming.
Smooth, tasteful motion on hover and state changes.
Keyframes and looping animation — bring pages to life responsibly.
Media queries, mobile-first CSS and fluid layouts that work on every screen.
Bring everything together — build a responsive multi-section website from scratch, then pass a final assessment covering HTML and CSS to earn your certificate.