How did they get the exact effect to show what they want in the text here instead of say, me seeing the exact same visuals for each browser as I am reading it from a single browser?
You mean in the parts that say "Here's what they look like in Safari" and so on? Those are just .pngs.
You mean in the parts that say "Here's what they look like in Safari" and so on? Those are just .pngs.