<!DOCTYPE HTML> <html reftest-async-scroll reftest-displayport-x="0" reftest-displayport-y="0" reftest-displayport-w="800" reftest-displayport-h="2000" reftest-async-scroll-x="0" reftest-async-scroll-y="50"> <body style="overflow:hidden; height:3000px; margin:0;"> <div style="height: 1000px; background-image:url(repeatable-diagonal-gradient.png); background-attachment:fixed; background-repeat:no-repeat; background-position:top left;"> </div> <!-- test that background-attachment:fixed backgrounds of child elements don't move with async scrolling --> </body> </html>