<!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"> <!-- Test that position:fixed content stays fixed when we async-scroll --> <div style="position:fixed; background:blue; top:0; left:0; width:200px; height:100px"></div> </body> </html>