mirror of
https://github.com/servo/servo
synced 2026-04-28 10:27:40 +02:00
26 lines
835 B
HTML
26 lines
835 B
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><head>
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<title>CSS level4 Selector :required and :optional</title>
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<link href="mailto:zzirasi@gmail.com" rel="author" title="LEE YUN HEE" />
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<link href="http://www.w3.org/TR/selectors4/#opt-pseudos" rel="help" />
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<meta content="You should see a green input box." name="assert" />
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<link href="reference/selector-required-ref.xht" rel="match" />
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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></html> |