<!DOCTYPE HTML> <html reftest-async-scroll reftest-async-scroll-x="0" reftest-async-scroll-y="2000"> <head> <meta charset="utf-8"> <title>Testcase for bug 1086723</title> <style type="text/css"> .test_div { position: fixed; overflow: hidden; background: blue; width: 50%; height: 50%; border-radius: 0px 50% 50% 0px; } .filler { height: 5000px; } body,html { overflow: hidden; } </style> </head> <body> <div class="test_div"></div> <div class="filler"></div> </body> </html>