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<!DOCTYPE html> <html> <title>W3.CSS</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="/lib/w3.css"> <body> <form class="w3-container"> <h2>Hoverable Inputs</h2> <p>Move the mouse over the input fields:</p> <p><input class="w3-input w3-hover-green" type="text"></p> <p><input class="w3-input w3-border w3-hover-red" type="text"></p> <p><input class="w3-input w3-border w3-hover-blue" type="text"></p> </form> </body> </html>