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<!DOCTYPE html>
<html class="reftest-wait">
<title>Reference for none animation-timeline</title>
<style>
#scroller {
overflow: scroll;
width: 100px;
height: 100px;
scrollbar-width: none;
}
#contents {
height: 200px;
}
#box {
width: 100px;
height: 100px;
background-color: green;
transform: translateX(50px);
}
</style>
<div id="scroller">
<div id="contents"></div>
</div>
<div id="box"></div>
<script>
window.addEventListener('load', function() {
const scroller = document.getElementById("scroller");
// Move the scroller to the halfway point.
const maxScroll = scroller.scrollHeight - scroller.clientHeight;
scroller.scrollTop = 0.5 * maxScroll;
document.documentElement.classList.remove("reftest-wait");
});
</script>