Learn how to create a responsive navigation menu without using JavaScript in this comprehensive tutorial video. Explore modern CSS techniques to build a fixed-top navigation with a semi-transparent background and dropdown functionality. Follow along as the instructor guides you through markup creation, CSS styling, mobile toggle implementation, animation addition, large screen styling, and pseudo-element incorporation. Gain insights into using flexbox and CSS grid for layout, optimizing pseudo-element transitions for better performance, and addressing accessibility concerns. Perfect for web developers looking to enhance their CSS skills and create user-friendly, responsive navigation menus.