Dive into a comprehensive 42-minute CSS tutorial that demystifies the often misunderstood ::before and ::after pseudo-elements. Learn how to correctly implement these powerful CSS features for adding content to web pages without modifying HTML. Explore basic usage techniques and discover five practical use cases, including custom lists, animated tooltips, and advanced gradient shadows for images. Access provided source files, MDN documentation links, and curated assets to enhance your learning experience. Master the intricacies of CSS pseudo-elements to elevate your web design skills and create more dynamic, visually appealing websites.