Free HTML & CSS Courses
HTML and CSS are the foundation of every website. You can't build for the web without them.
Related Learning Paths
1 free HTML & CSS course include a certificate
See all free coding courses with certificates →Responsive Web Design
freeCodeCamp's foundational web design curriculum. Learn HTML, CSS, flexbox, grid, and responsive design by building 20 projects. Free certificate included.
Khan Academy's introduction to web development. Learn HTML tags, CSS styling, web page structure, and how browsers render content. Ideal for absolute beginners.
The Odin Project's HTML & CSS foundation covers everything from basic tags to flexbox layouts. Includes real projects, a curated reading list, and community support.
Google's guide to modern web development best practices. Covers performance, accessibility, progressive web apps, and responsive design patterns. Free reference and codelabs.
Google's guide to building smooth CSS animations, transitions, and transforms. Covers keyframes, easing functions, will-change, and performance best practices.