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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/interactive-elements/the-dialog-element/backdrop-inherits.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<link rel="match" href="backdrop-inherits-ref.html">
<style>
dialog {
--backdrop-bg: green;
visibility: hidden;
}
dialog::backdrop {
position: absolute;
top: 100px;
left: 100px;
height: 100px;
width: 100px;
visibility: visible;
background-color: var(--backdrop-bg);
}
</style>
Test that ::backdrop inherits from its originating element. The test passes if
there is a green box and no red.
<dialog></dialog>
<script>
document.querySelector('dialog').showModal();
</script>