4/0 EB Flex ™ Welding Cable - BLACK - Electron Beam
Flex Item Properties
Digging Into the Flex Property - Ahmad Shadeed
What Is the HTML Flexbox and How Do You Get Started Using It?
Josh W. Comeau on Twitter: "When `flex-basis` is set to `0`, it distributes ALL space, not just empty space. So: we put columns on either side of the nav, make them greedy
A Complete Guide to Flexbox | CSS-Tricks - CSS-Tricks