<!doctype html>
<html class="reftest">
<meta charset="utf-8">
<title>Overflow-clip-margin: is shown with content-visibility: auto</title>
<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
<link rel="author" title="Scott Violet" href="mailto:sky@chromium.org">
<style>
  body {
    height: 15000px;
  }
  .big {
    width: 10px;
    height: 20000px;
    position: relative;
    top: -10000px;
    background: green;
  }
</style>
<div class=big></div>
<script>
onload = function() {
  document.documentElement.scrollTop = window.innerHeight * 3;
}
</script>