<html>
<head>
  <title>outside viewport videos</title>
<style>
/**
 * These CSS would move elements to the far left/right/top/bottom where user
 * can not see elements in the viewport if user doesn't scroll the page.
 */
.outside-left {
  position: absolute;
  left: -1000%;
}
.outside-right {
  position: absolute;
  right: -1000%;
}
.outside-top {
  position: absolute;
  top: -1000%;
}
.outside-bottom {
  position: absolute;
  bottom: -1000%;
}
</style>
</head>
<body>
	<div class="outside-left">
		<video id="left" src="gizmo.mp4">
	</div>
	<div class="outside-right">
		<video id="right" src="gizmo.mp4">
	</div>
	<div class="outside-top">
		<video id="top" src="gizmo.mp4">
	</div>
	<div class="outside-bottom">
		<video id="bottom" src="gizmo.mp4">
	</div>
</body>
</html>
