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<!DOCTYPE HTML>
<style>
body {
height: 100%;
margin: 0;
}
#container {
height: 100vh;
overflow-x: hidden;
overflow-y: auto;
perspective: 200px;
perspective-origin: top left;
}
.scrolled {
position: absolute;
}
#fg {
width: 100px;
height: 100px;
background: blue;
left: 100px;
top: 100px;
/* This causes fg to be separately composited, removing the need for the
squashing containment layer. Should have no visible effect. */
will-change: transform;
}
#bg {
transform: translateZ(-100px);
background: green;
width: 800px;
height: 800px;
}
#tall {
width: 10px;
height: 8000px;
background: white;
}
</style>
<script>
if (window.internals)
window.internals.settings.setPreferCompositingToLCDTextEnabled(true);
</script>
<div id="container">
<div class="scrolled" id="bg"></div>
<div class="scrolled" id="fg"></div>
<div id="tall"></div>
</div>
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