<!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] -->
<!DOCTYPE html>
<html>
<head>
<style>
body {
  margin: 0px;
}

.container {
  margin: 20px;
  width: 100px;
  height: 100px;
  background-color: green;
  border: 10px solid blue;
  padding: 8px;
  overflow: hidden;
}
</style>    
</head>
<body>
<div class="container">
  <div class="container">
    <div class="container"></div>
  </div>
</div>
</body>
</html>