<!DOCTYPE HTML> <html class="reftest-wait"><head> <meta charset="utf-8"> <title>Testcase #2 for bug 1178575</title> <style type="text/css"> html,body { color:black; background-color:white; font-size:16px; padding:0; margin:20px; } div { position: absolute; left: 0; right: 0; box-shadow: 0 0 0 10px rgba(0, 255, 0, 0.5); margin-top: 10px; } span { position: relative; display: block; overflow: hidden; height: 200px; } </style> <script> function tweak() { document.querySelector('div').style.height = "40px"; document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", tweak, false); </script> </head> <body><span><div></div><span></body></html>