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<!DOCTYPE html> <html> <head> <style> input:user-valid { border: 2px solid green; background-color: beige; } input:user-valid + span::before { content: "V"; color: green; } </style> </head> <body> <h1>Demo of :user-valid</h1> <p>Try typing a legal e-mail address.</p> <p>Try typing a legal number.</p> <form> <label for="name">Name: </label><br> <input id="name" name="name" type="text" /><br> <label for="email">Email: </label><br> <input id="email" name="email" type="email" required /> <span></span> <p>Input a number between 1 and 10: <input type="number" min="1" max="10" /></p> </form> </body> </html>
