65 lines
1.4 KiB
HTML
65 lines
1.4 KiB
HTML
<!doctype html>
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<html class="reftest-wait">
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<title>CSS Test: Checks that dynamic changes to whether we're a fixed-pos containing block are handled correctly</title>
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<meta charset="utf-8">
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<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#containing-block-for-all-descendants">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1498873">
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<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
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<link rel="author" title="Mozilla" href="https://mozilla.org">
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<link rel="match" href="dynamic-fixed-pos-cb-change-ref.html">
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<style>
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html,
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body {
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height: 100%;
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overflow: hidden;
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margin: 0;
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padding: 0;
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background-color: #222;
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}
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body {
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display: flex;
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}
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#fixed {
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position: fixed;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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z-index: 1;
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background: black;
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}
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#popup {
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position: absolute;
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width: 200px;
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height: 200px;
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left: 0;
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top: 0;
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z-index: 2;
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background: red;
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transform: scale( 1.1111 );
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}
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body, #popup {
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transform-origin: 50% 50%;
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}
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</style>
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<div id="popup">
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<!-- Seeing this box change color should not move me or change my size. -->
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</div>
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<div id="fixed"></div>
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<script>
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onload = function() {
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requestAnimationFrame(() => {
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document.body.style.transform = "scale(0.9)";
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requestAnimationFrame(() => {
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popup.style.backgroundColor = "green";
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requestAnimationFrame(() => {
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document.documentElement.className = "";
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});
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});
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});
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}
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</script>
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