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- This WPT test may be referenced by the following Test IDs:
- /html/semantics/popovers/popover-progress-backdrop.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>::backdrop is supported on progress</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2015488">
<link rel="match" href="popover-img-backdrop-ref.html">
<style>
progress:popover-open {
visibility: hidden;
&::backdrop {
visibility: visible;
background-color: green;
}
}
</style>
<progress popover="" id="a"></progress>
<script>
a.showPopover({ modal: true });
</script>