3d-scene-with-iframe-001-ref.html

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<!DOCTYPE html>

<meta charset="UTF-8">

<link rel="author" title="L. David Baron" href="https://dbaron.org/">

<link rel="author" title="Google" href="http://www.google.com/">

<style>

#container {

    perspective: 400px;

    perspective-origin: 0 0;

#ref {

    background-color: green;

    width: 150px;

    height: 100px;

    transform: translateZ(200px);

</style>

<div id="container">

    <div id="ref"></div>

</div>