Flexbox is a relatively new front-end feature that greatly simplifies the process of creating a responsive website layout. In the past, in order to create a layout that looked good on a website, you had to use tables or float grids. Furthermore, those approaches aren't the most effective for responsive design, which ensures that the website looks good on desktop, tablet, and mobile platforms. Learn how to use flexbox if you want to stay up to date Flex Web Development with web development trends.