This is a nice demo. The blurb about flex-basis should be corrected, though. It says on page 33 that flex-basis basically is a min-width for flex items, but i

This is a nice demo. The blurb about flex-basis should be corrected, though. It says on page 33 that flex-basis basically is a min-width for flex items, but instead flex-basis sets the default (main) size, not the minimum size.