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<html><head><style>body { font-size: 100%;}h1 { font-size: 2.5em;}h2 { font-size: 1.875em;}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>Specifying the font-size in percent and em displays the same size in all major browsers, and allows all browsers to resize the text!</p></body><!-- Mirrored from www.w3schools.com/css/tryit.asp?filename=trycss_font-size_percent_em by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 16:49:08 GMT --></html>