We can start using flexbox nowadays. If you have not started exploring this new layout feature, the “Using flexbox today” is a quick-start guide.
Flexbox is not just a replacement of the
float. Flexbox can actually solve the layout problems that we face by using the current CSS technologies. The website “Solved by Flexbox” shows how flexbox archive layouts in an elegant way.
I wrote a cheatsheet of flexbox for quick reference to help you get started.
Note: Do you know that float was originally designed for image to be wrapped by text. It’s not designed for layout.