Learn to create a responsive multi-level navigation menu using only HTML and CSS in this comprehensive 37-minute tutorial. Explore essential concepts like absolute and relative positioning, build the HTML structure for nested lists, apply CSS styles for a polished look, and implement media queries for larger screens. Discover a crucial yet often overlooked mega menu feature and test the menu for screen reader accessibility. Perfect for web developers looking to enhance their skills in creating user-friendly, accessible dropdown navbar menus without relying on JavaScript.