chromium/third_party/blink/web_tests/external/wpt/css/css-backgrounds/background-attachment-local/attachment-local-positioning-2.html

<!doctype html>
<title>CSS Test: background-attachment: local; positioning area</title>
<link rel="match" href="attachment-local-positioning-2-ref.html" />
<meta name="flags" content="dom" />
<link rel="author" title="Simon Sapin" href="http://exyr.org/about/" />
<link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-attachment" />
<style>
#outer {
  border: solid;
  /* 100% 100% == (250px - 32px) (370px - 32px) == 218px 338px */
  /* With scrolling, effective position is 178px 278px */
  background: url(aqua-yellow-32x32.png) local no-repeat 100% 100%;
  overflow: hidden;
  width: 200px;
  height: 300px;
}
div div {
  width: 250px;
  height: 370px;
}
p {
  margin: 0;
  padding-top: 100px;
}
</style>
<div id=outer>
  <div>
    <p>Lorem ipsum dolor sit amet</p>
  </div>
</div>
<script>
var outer = document.getElementById('outer');
outer.scrollLeft = 40;
outer.scrollTop = 60;
</script>