gecko-dev/layout/reftests/bugs/1103258-1-ref.html

<style>
#d1 {
  position: absolute;
  top: 0px;
  left: 0px;
  will-change: transform;
  width: 64px;
  height: 64px;
  background: red;
}
</style>
<div id="d1">
</div>