<!DOCTYPE html> <html class="reftest-wait"> <head> <script> function boom() { var w = '<div xmlns="http://www.w3.org/1999/xhtml" style="content: url(#);" />'; var v = 'url("data:image/svg+xml,' + encodeURIComponent(w) + '")'; document.documentElement.style.content = v; document.documentElement.className = ""; } </script> </head> <body onload="boom();"></body> </html>