<!DOCTYPE html>
<html lang="vi">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Form Validation</title>
<link rel="stylesheet" href="style5.css">
</head>
<body>
<div class="container">
<h1>Contact Form</h1>
<form id="contact-form">
<div class="form-group">
<label> for="name">Name</label>
<input type="text" id="name" placeholder="Enter your name">
<div> class="error-message"></div>
</div>
<div class="form-group">
<label> for="email">Email</label>
<input type="email" id="email" placeholder="Enter your email">
<div> class="error-message"></div>
</div>
<div class="form-group">
<label> for="message">Message</label>
<textarea> id="message" placeholder="Enter your message"></textarea>
<div> class="error-message"></div>
</div>
<button> type="submit">Submit</button>
</form>
</div>
<script> src="script5.js"></script>
</body>
</html>