How do block-level elements affect the document flow?
Block level elements always start on a brand-new line
How do inline elements affect the document flow?
Allow you to put multiple elements on the same line
What are the default width and height of a block-level element?
Height is height of the content and width is 100% of the element it is nested in
What are the default width and height of an inline element?
Width and height of an inline is only as much as is needed for the content inside