How do block-level elements affect the document flow?
Block-level elements will start on a new line.
How do inline elements affect the document flow?
Inline elements will continue on the same line as neighboring elements.
What are the default width and height of a block-level element?
Block-level elements will take up all the horizontal space (width) and as much vertical space (height) as text content.
What are the default width and height of an inline element?
Inline elements will take up only as much width and height of the text content (as much width and height necessary).