This elegant and responsive 404 error page is built with Bootstrap 5 and features a smooth, animated Lottie illustration to enhance user experience. The layout is fully responsive, with the animation and error message side-by-side on larger screens and stacked on smaller devices. It includes a clear "Back to homepage" button, making it user-friendly and ideal for maintaining engagement even when users encounter a broken link or missing page.

This responsive Bootstrap 5 navbar features a clean and modern design, enhanced with Remix Icons for login and cart functionality. It includes a desktop navigation layout with a logo, links, search bar, and action buttons, while the mobile version adapts seamlessly with a toggle menu. Ideal for e-commerce or multipage websites seeking a sleek and user-friendly header layout.