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Test Info: Warnings

<!DOCTYPE html>
<html reftest-async-scroll
reftest-displayport-x="0" reftest-displayport-y="0"
reftest-displayport-w="800" reftest-displayport-h="2000"
reftest-async-scroll-x="0" reftest-async-scroll-y="2500">
<title>position:sticky item that's still visible while the rest of the scrollframe contents are checkerboarded</title>
<style>
html {
scrollbar-width: none;
}
body {
margin: 0;
height: 4000px;
}
#sticky_container {
margin-top: 100px;
height: 3000px;
background-image: linear-gradient(green, blue);
}
#sticky {
position: sticky;
top: 0;
height: 100px;
background-color: green;
}
</style>
<div id="sticky_container">
<div id="sticky"></div>
</div>