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<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE html>
<meta charset="utf-8">
<title>Test that overlay scrollbars are not covered by overlapping non-positioned siblings</title>

<style>

#outer {
  width: 200px;
  height: 200px;
  overflow: auto;
  background: cyan;
}

#content {
  height: 400px;
}

/* This test has different behavior depending on the type of scrollbar used.
 * We want the scrollbar to be visible. But for non-overlay scrollbars, the
 * cover would cover them so we disable the cover.
 */
@media all and (-moz-overlay-scrollbars) {
  #cover {
    margin-top: -200px;
    width: 200px;
    height: 200px;
    background: cyan;
  }
}

</style>

<div id="outer"><div id="content"></div></div>
<div id="cover"></div>