<!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>