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Block level elements would create a new line of content, stacking on top
of one anther.
Examples include: 1) Paragraphs; 2) Headings; 3) Lists and list items; 4) Div
and 5) Header, footer, main, section, etc
Inline elements stay within the flow of what surrounds them.
Examples include: 1) Links; 2) Strong; 3) Em; 4) Span; and 5) Images