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<!DOCTYPE html>
<title>CSS Overflow Test: scroll markers inside out-of-flow</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-group">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
.container {
scroll-marker-group: before;
overflow: hidden;
}
.container::scroll-marker-group {
display: flex;
height: 100px;
}
.marker::scroll-marker {
display: block;
width: 20px;
height: 100px;
content: "";
background: green;
}
.contain_abs {
position: relative;
}
.contain_all {
contain: layout;
}
.uncontained::scroll-marker {
z-index: 100;
content: "ERROR";
background: red;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="container">
<div class="marker"></div>
<div class="marker" class="contain_abs"></div>
<div style="position:absolute;">
<div class="uncontained marker"></div>
</div>
<div class="contain_all">
<div class="marker" style="position:fixed;"></div>
</div>
<div class="contain_abs">
<div class="marker"></div>
<div class="marker" style="position:absolute;"></div>
<div class="uncontained marker" style="position:fixed;"></div>
</div>
</div>
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