<p>freeCodeCamp's Responsive Web Design course teaches the fundamentals of building websites that adapt to any screen size. Students learn semantic HTML, forms, accessibility, CSS Flexbox, and CSS Grid through interactive coding challenges and build five required certification projects, earning a free verifiable certificate.</p> <ul> <li>Open to all; no prior experience required</li> <li>Curriculum covers HTML, CSS, Flexbox, CSS Grid, accessibility, and responsive design fundamentals</li> <li>Fifteen practice projects plus five required certification projects including a tribute page, survey form, technical documentation page, product landing page, and personal portfolio</li> <li>Certification projects must pass automated test suites to qualify</li> <li>Free verifiable certificate shareable on LinkedIn; no fees at any stage</li> <li>Self-paced with an estimated 300 hours to complete the full curriculum</li> </ul> <p>Create a free freeCodeCamp account, open the curriculum, and build the five certification projects to claim the certificate.</p>