| <html xmlns="http://www.w3.org/1999/xhtml" xmlns:m="http://www.w3.org/1998/Math/MathML"> | |
| <head> | |
| <style id="s"> | |
| [class="fx"] { position: fixed; } | |
| </style> | |
| </head> | |
| <body onload="document.getElementById('s').textContent = '* { color: magenta; }'"> | |
| <m:mrow><m:mrow class="fx" /><span class="fx" /></m:mrow> | |
| </body> | |
| </html> |