<p> This test requires that accelerated compositing be disabled. Clicking the Test button should completely reveal the black-bordered box. The orange video should completely fill the box, with the controller visible and touching the bottom of the box. There should be not be any red visible. </p> <p> <button onclick="test()">Test</button> </p> <div style="overflow: hidden; border: solid blue; position: relative;"> <div style="height: 100px; padding: 0 8px;"> </div> <object type="video/quicktime" style="background-color: red; width: 300px; height: 241px; position: absolute; top: 50px; left: 40px; border: solid black;"> <param name="src" value="resources/orange.mov"> <param name="controller" value="true"> <param name="autoplay" value="false"> <param name="scale" value="tofit"> </object> <div id="target"></div> <script> function test() { document.getElementById("target").style.height = "500px"; } </script> </div>