<!DOCTYPE html>
<style>
#old-container {
position: relative;
}
#positioned-child {
position: absolute;
}
#descendant-needing-layout {
display: none;
width: 100px;
height: 100px;
background-color: green;
}
</style>
This test verifies adding transform to a block correctly update container status.
<div style="width:100px; height:100px; background-color:green;">
</div>