index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Age Calculator</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <div class="container">
        <div class="ageCalulator">
            <h1>Age Calculator</h1>
            <div class="form">
                <div class="DOB">
                    <label>Enter your Date of birth:</label>
                    <input type="date" id="dateOfBirth">
                </div>
                <div class="currentDate">
                    <label>Current Date:</label>
                    <input type="date" id="currentDate">
                </div>
                <div class="btn">
                    <button type="submit" onclick="getDOB()">Calculate</button> 
                </div>
                <p id="result"></p>
            </div>
        </div>
    </div>
    <script src="script.js"></script>
</body>
</html>