Maybe not an exact answer to the question being asked, but when flexbox was first introduced a few years back, I remember being quite overwhelmed by it, but the

Maybe not an exact answer to the question being asked, but when flexbox was first introduced a few years back, I remember being quite overwhelmed by it, but the game that helped me "grok" it was Flexbox Froggy: https://flexboxfroggy.com/ https://flexboxfroggy.com/ Even now, when I am working with frontend designs, I sometimes am mentally picturing my elements as frogs that need to be placed in the right place :D