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12 lines
258 B
HTML
12 lines
258 B
HTML
<!DOCTYPE html>
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<html>
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<!-- Test: fieldset undergoes constraint validation.
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It should be affected by :valid pseudo-class. -->
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<style>
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fieldset:valid { display: none; }
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</style>
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<body>
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<fieldset>
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</fieldset>
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</body>
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</html>
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