31 lines
749 B
HTML
31 lines
749 B
HTML
<!doctype html>
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<title>CSS Container Queries Test: ::backdrop appearing conditionally on dialog container</title>
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<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-queries">
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<link rel="match" href="top-layer-dialog-backdrop-ref.html">
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<style>
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html {
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/* Prevent multiple layout passes due to scrollbars */
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overflow: hidden;
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background: red;
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}
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dialog {
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container-type: size;
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width: 100px;
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height: 100px;
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visibility: hidden;
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}
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dialog::backdrop {
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visibility: visible;
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display: none;
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background-color: green;
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}
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@container (width > 1px) {
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dialog::backdrop {
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display: block;
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}
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}
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</style>
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<dialog id="dialog"></dialog>
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<script>
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dialog.showModal();
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</script>
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