Why do two div elements “vertically stack” on one another by default?
They are block level elements
What is the default flex-direction of an element with display: flex?
row
What are the three primary components of a page layout? (Which helper classes do you need?)
Head, Body, Footer
What is the minimum number of columns that you should put in a row?
1
What is the purpose of a container?
apply styles to all elements within