<!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="400"> <body style="overflow:hidden; height:3000px; background-image:url(repeatable-diagonal-gradient.png); background-attachment:fixed; background-repeat:no-repeat; background-position:0 300px;"> <!-- Test that background-attachment:fixed content covered by scrolling content gets rendered properly --> <div style="position:absolute; background:black; top:200px; left:0; width:500px; height:600px;"></div> </body> </html>