<!DOCTYPE html> <html lang="en"> <meta charset="utf-8"> <title>Make sure that we don't pull background colors into container layers that have effects applied on them</title> <style> #outer { background-color: white; border: 1px solid black; } #outer > div { margin: 20px; border: 1px solid black; height: 20px; } </style> <div id="outer"> <div id="inner1"></div> <div id="inner2"></div> </div>