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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 on top of positioned siblings when the scrollable frame has a positioned descendant that's higher than the sibling</title>
<style>
#outer {
width: 200px;
height: 200px;
overflow: auto;
}
#content {
height: 400px;
background: cyan;
position: relative;
z-index: 3;
}
/* This test has different behavior depending on the type of scrollbar used.
* We want the scrollbar to be visible. When overlay scrollbars are used,
* they should be visible even when #cover gets between #outer and #content,
* but for non-overlay scrollbars, that would cover them so we disable the
* cover.
*/
@media all and (-moz-overlay-scrollbars) {
#cover {
width: 200px;
height: 200px;
background: cyan;
position: absolute;
z-index: 2;
}
}
</style>
<div id="cover"></div>
<div id="outer"><div id="content"></div></div>
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