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Colors
颜色 RAL
trycolors_signal
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<!DOCTYPE html> <html> <title>W3C.CSS</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/css/w3c.css"> <link rel="stylesheet" href="/demo/css/w3-colors-signal.css"> <body class="w3-container"> <br> <div class="w3-badge w3-xlarge w3-signal-red">1</div> <br> <div class="w3-badge w3-xlarge w3-signal-yellow">2</div> <br> <div class="w3-badge w3-xlarge w3-signal-green">3</div> <br><br> <div class="w3-tag w3-xlarge w3-signal-red">STOP !</div> </body> </html>