<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en-US" class="reftest-wait"> <head> <title></title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style type="text/css" title="Set A"> @font-face { font-family: "MarkA"; src: url(../fonts/markA.ttf); } </style> <style type="text/css" title="Set B"> @font-face { font-family: "Mark2B"; src: url(../fonts/mark2B.ttf); } </style> <style type="text/css"> @font-face { font-family: "MarkC"; src: url(../fonts/markC.ttf); } body { font-family: "MarkA", "Mark2B", "MarkC"; } </style> <script type="application/ecmascript"> function run() { // The resize-detector iframe will remove the class attribute. document.getElementsByTagName("iframe")[0].contentWindow.arm_for_wider(); document.selectedStyleSheetSet = "Set B"; } </script> </head> <body onload="setTimeout(run, 20)"> <p style="position:relative; width: max-content">ABC<iframe style="visibility:hidden;position:absolute;height:100%;width:100%" src="resize-detector-iframe.html"></iframe></p> </body> </html>