Flexbox is a CSS layout mode that allows you to easily align elements responsively. You don’t have to install any dependencies or include a link to a CDN to start using it. It’s honestly pretty easy to pick up and fun to play around with. Flexbox allows for flexible layouts, but only in a single dimension. It is great when you want to align a few items a certain way very quickly and have them be responsive to different browser sizes. Flexbox is the perfect tool for building a responsive website navigation. So in this post I’ve put together 25 Responsive Flexbox Navigation Menu Examples for inspiration to create a usable and extensible navigation menu system that work for a number of situations.