You can't animate most flexbox values because they're words, e.g. flex-start, space-around, column-reverse. You can't say, animate to column reverse. The browser has to do the layout. But that's actually a good thing as that's one less thing you have to calculate.   To do a flexbox animations, start off by recording the position of your element in it's current state. Now change its flexbox style and let the browser reposition it. Now record the new position of your element. You now kno