A tutorial for learning flexbox from internetingishard This tutorial helped in understanding the "flexbox" command in CSS. There are many style choices that can be attained if the methods to achieve them are understood.
Some of the concepts covered (from the summary): display: flex; creates a flex container. justify-content: ...; defines horiontal alignment of items. align-items: ...; defines vertical alignment. flex-direction: ...; can create columns. row (coloumn)-reverse: ...; can flip item order. order: ...; customizes the order of individual elements. align-self: ...; vertically aligns individual items. flex: ...; create flexible boxes that stretch and shrink.