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<!DOCTYPE html> <html> <head> <style> input:valid { background-color: beige; border: 2px solid green; } </style> </head> <body> <h1>Demo of :valid</h1> <p>Try typing an illegal e-mail address to see the styling disappear.</p> <p>Try typing an illegal numbere to see the styling disappear.</p> <form> <label for="email">Email: </label><br> <input id="email" name="email" type="email" value="test@example.com" /> <p>Input a number between 1 and 10: <input type="number" min="1" max="10" value="10"></p> </form> </body> </html>
