<!DOCTYPE html>
<html>
<head>
  <title>fullscreen-env-initial</title>
  <style>
      #should-be-green {
          background-color: green;
      }
  </style>
</head>
<body>
<p id="should-be-green">This paragraph should have a green background.</p>
<p id="results">fullscreen-inset-top fullscreen-inset-right fullscreen-inset-bottom fullscreen-inset-left fullscreen-auto-hide-duration all had initial values.</p>
</body>
</html>