Introducing Flexbox

Flexbox was designed to address the shortcomings of the CSS layout mechanisms that had gone before.

Here’s a few choice reasons it is so useful:

• It can easily center contents vertically.
• It can change the visual order of elements.
• It can automatically space and align elements within a box, automatically assigning available space between them.
• Items can be laid out in a row, a row going in the reverse direction, a column down the page, or a column going in reverse order up a page.
• It can make you look 10 years younger (probably not, but in low numbers of empirical tests (me), it has been proven to reduce stress compared with other layout techniques).

The bumpy path to Flexbox

Flexbox has been through a few major iterations before arriving at the stable version we have today. For example, consider the changes from the 2009 version (https://www.w3.org/TR/2009/WD-css3-flexbox-20090723/), the 2011 version (https...