32 lines
1.1 KiB
HTML
32 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>CSS Containment Test: 'contain: style' for counters (span descendants of <body>)</title>
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-style">
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<link rel="match" href="reference/contain-style-counters-004-ref.html">
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<style>
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body {
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counter-reset: counter-of-span 13;
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contain: style;
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}
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body span {
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counter-increment: counter-of-span 5;
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}
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div {
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font-size: 3em;
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}
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div::after {
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content: counter(counter-of-span);
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}
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</style>
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<body>
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<p><span></span> <span></span> <span></span> <span></span></p>
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<!-- The <span>s aren't allowed to modify the counter instantiated on the <body>,
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so a new instance of the counter is created.
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Since the <div> isn't a sibling of the <span>, it will not inherit this new instance,
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and instead it will read the original counter from the <body>, with value 13.
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This is per example at: https://drafts.csswg.org/css-contain/#containment-style -->
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<p>Test passes if there is the number 13.</p>
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<div></div>
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</body>
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