Experimenting with various flex properties is key to gaining a deeper understanding of how they can impact the layout of a webpage. By adjusting the controls provided on the website, you can witness real-time changes and also copy the CSS code generated. The creator, Yoav Sabag, has crafted this tool to help users easily manipulate flex-direction, justify-content, align-items, and flex-wrap. This resource is a helpful way to learn and play around with flex properties for web design. (Note: No controversial information mentioned, but the tool is impressive for those looking to enhance their CSS skills.)
https://yoavsbg.github.io/css-flexbox-playground/