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27 lines
679 B
HTML
27 lines
679 B
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>CSS level4 Selector :required and :optional</title>
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<link rel="author" title="LEE YUN HEE" href="mailto:zzirasi@gmail.com">
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<link rel="help" href="http://www.w3.org/TR/selectors4/#opt-pseudos">
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<meta name="assert" content="You should see a green input box.">
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<link rel="match" href="selector-required-ref.html">
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<style>
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input {border:3px solid red;}
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:required {border-color:green;}
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:optional {border-color:green;}
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</style>
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</head>
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<body>
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<p>
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You should see a green input box.
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</p>
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<p>
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<input required>
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</p>
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<p>
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<input optional>
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</p>
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</body>
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</html>
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