backdrop-dynamic-display-none-ref.html

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<title>Reference: Test that adding display: none; dynamically on ::backdrop makes it disappear</title>
<meta charset="utf-8">
<link rel="author" title="Tim Nguyen" href="https://github.com/nt1m">
<p>Test passes if there is no red.</p>
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chromium/third_party/blink/web_tests/external/wpt/html/semantics/interactive-elements/the-dialog-element/backdrop-dynamic-display-none-ref.html