<html class="reftest-wait"> <style> :not(option) { position: absolute; } #a { background: url(data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=) fixed; } fieldset:first-child { column-width: 0; filter: invert(3); } </style> <script> function go() { a.multiple = true document.documentElement.classList.remove("reftest-wait"); } </script> <body onload=go()> <fieldset style="scale: 1 9 0.3472"> <select id="a"> </html>