If you’re tired of static websites that just don’t perform, this course is pathway to creating fast, accessible, and visually striking websites that convert visitors into loyal users. The course is led by Ben Frain and is based on his bestselling book Responsive Web Design with HTML5 and CSS, 4th Edition! In this course, you'll start by exploring the fundamentals of responsive design, understanding browser support. From there, you'll learn to write effective HTML markup, including new semantic elements in HTML5, and enhance accessibility with WCAG conformance and WAI-ARIA. Next, you'll delve into the intricacies of media queries and container queries, understanding their implementation and testing responsive designs. You'll convert fixed pixel designs into fluid layouts and leverage the power of Flexbox and CSS Grid for sophisticated, flexible designs. The final sections will take you through transitions, transformations, and animations, along with cutting-edge CSS features like custom properties and CSS functions along with practical techniques for HTML5 forms, advanced CSS capabilities, and performance optimization. By the end of the course, you’ll have the skills to build websites that are fast, efficient and adaptive to any device.