Dive into a practical 31-minute video tutorial on creating a mobile-first, responsive navigation bar using flexbox. Learn to craft a toggleable menu with distinct layouts for mobile, tablet, and desktop screens. Master the process of structuring HTML, applying basic styles, implementing mobile navigation, styling submenus, integrating Font Awesome icons, adding toggle and dropdown functionalities, and designing tablet and desktop menu versions. Gain hands-on experience in modern web design techniques while building a versatile navigation component adaptable to various screen sizes.