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<!DOCTYPE html> <html> <head> <style> body { font-size:16px; } div { font-size: 2rem; border: 1px solid black; } </style> </head> <body> <p>The font-size of this document is 16px.</p> <div>The font-size of this div element is 2rem.</div> <p>The rem unit sets the font-size relative to the browsers base font-size, and will not inherit from its parents.</p> </body> </html>
