It means that flexbox content flows across a single axis or direction.
Main axis can run in one direction, on either the x or y axis, and the cross axis runs perpendicular to that specified main axis.
Reordering items can be problematic for those who use screen readers. Screen readers present information from top down, as the are presented in the DOM. Reordering DOM elements may make visual, intuitive sense on the rendered page, but the visually impaired may not reap the same benefits.
Read up to “Flex-Flow Shorthand”
Flexbox can more easily:
It’s another tool in the toolbox for me. It feel like CSS is a lot of memorization. I like to think I can offload a lot of the memorization by having exposure to the techniques, like flexbox, and creating an abstract idea of them in my head. This way, even if I don’t remember the syntax or exactly 100% of the properties of the technique, I can do some google-fu to get me back up to par when it’s just the tool I need.