<!DOCTYPE HTML>
<title>Don't pull background colors of container layers through DrawAboveRegions of ThebesLayers</title>
<style>

#outer {
  transform: translateX(1px);
}

#above {
  position: absolute;
  top: 50px;
  left: 50px;
  width: 100px;
  height: 100px;
  border: 1px solid black;
}

</style>

<div id="outer">
  <div style="height: 100px; width: 200px; background-color: lime;"></div>
  <div id="above"></div>
</div>