<html><head><style type="text/css">body {font-size:100%;}h1 {font-size:3.75em;}h2 {font-size:2.5em;}p {font-size:0.875em;}</style></head><body><h1>This is heading 1</h1><h2>This is heading 2</h2><p>This is a paragraph.</p><p>This is a paragraph.</p><p>...</p></body></html>