Which Tailwind CSS class makes the body fill at least the full viewport height?

Use `min-h-screen`, which applies a minimum height of 100vh.

What should be added to input.css to load Tailwind CSS layers?

Add `@tailwind base;`, `@tailwind components;`, and `@tailwind utilities;`.

How do I ensure Tailwind generates utility classes used only in JavaScript?

Include the relevant JavaScript file paths in the `content` array of `tailwind.config.js`.

Free Course Image Tailwind CSS for Beginners

Free online course Tailwind CSS for Beginners

Duration of the online course: 3 hours and 1 minutes

New

Build modern, responsive UIs faster with this free Tailwind CSS course—learn utilities, menus, config, and deploy skills, plus a shareable certificate.

In this free course, learn about

Tailwind CSS fundamentals: utility-first styling, workflow, and core concepts
Use min-h-screen to make the body fill the viewport height
Build a complete responsive website layout using Tailwind utilities
Add @tailwind base; @tailwind components; @tailwind utilities; to input.css
Structure and style a Tailwind project end-to-end (sections, spacing, typography)
Use relative on a parent to anchor an absolutely positioned ::before pseudo-element
Create an animated hamburger icon and responsive mobile navigation menu
Toggle hidden/block (or flex) classes via JavaScript to show/hide the mobile menu
Configure Tailwind (content paths, theme, plugins) and deploy a production build
Safelist or include JS-used classes so Tailwind doesn't purge them in production

About the free online course

Create clean, responsive interfaces without wrestling with endless custom CSS. This free online Tailwind CSS course is designed for beginners who want a practical way to style websites quickly, confidently, and with a workflow that fits real projects. Instead of memorizing long style rules, you will learn how utility-first classes help you build consistent layouts, spacing, typography, and components directly in your HTML—making changes fast and keeping design decisions clear.

From the first steps, you will understand how Tailwind is structured and why its approach is popular in modern web development teams. You will practice key fundamentals that remove common beginner friction, such as setting full-viewport layouts, loading Tailwind layers correctly, and using positioning patterns that make pseudo-elements behave predictably. As you progress, the course guides you through building a complete website project so you can connect the theory to a realistic outcome and start building a portfolio piece you can refine.

You will also work with interactive UI patterns that employers and clients expect, including a polished animated hamburger icon and a mobile menu that opens and closes smoothly with JavaScript. Along the way, you will learn which utility classes are typically toggled to control visibility and layout states, and how to structure your markup so those behaviors stay maintainable as a site grows.

To round out your skills, the course introduces configuration and deployment essentials, helping you understand how to customize Tailwind for your project and ship optimized builds. You will see how to ensure Tailwind still generates classes that appear only in JavaScript, preventing missing styles in production. By the end, you will be ready to apply Tailwind CSS to new sites with a faster workflow, better consistency, and the confidence to go from idea to deployed page.

Course content

Video class: Tailwind CSS Introduction, Basics 22m
Exercise: Which Tailwind class sets the body min height to fill the viewport?
Video class: Build a Website with Tailwind CSS | Project Tutorial 46m
Exercise: Which lines should be added to input.css to load Tailwind layers?
Video class: Tailwind CSS Project | TailwindCSS Tutorial 37m
Exercise: Which Tailwind class should be applied to the parent to correctly anchor a before pseudo element that uses absolute positioning?

Video class: Animated Hamburger Icon, Mobile Menu 48m
Exercise: Which Tailwind utility classes are toggled via JavaScript to show and hide the mobile menu?
Video class: Tailwind CSS Config and Deploy Tutorial 27m
Exercise: Ensure Tailwind generates classes used only in JavaScript

Learn aboutCSS

Explore free online CSS courses designed to help beginners and aspiring web developers master styling, layouts, responsive design, Flexbox, Grid, animations, and modern best practices. Learn at your own pace, build practical front-end skills, and earn a certificate with every course to showcase your CSS expertise.

Learn aboutTailwindCSS

Explore free online TailwindCSS courses designed to help you build modern, responsive websites faster. Learn utility-first CSS, layouts, components, customization, and best practices through flexible, self-paced lessons. Enroll today, sharpen your front-end development skills, and earn a certificate upon completion at no cost.

Free online courses on Responsive Web Design

Learn aboutResponsive Web Design

Explore free online Responsive Web Design courses and learn to build mobile-friendly, accessible websites that look great on every screen. Master HTML, CSS, flexible layouts, media queries, and modern design best practices at your own pace. Enroll today, develop job-ready web skills, and earn a certificate with every course you complete.