registration.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Contact Form</title>
    <link rel="stylesheet" href="css/registration.css">
</head>
<body>
    <div class="container1">
        <h1>Contact Form</h1>
        <p>Enter your details and submit this form to confirm</p>
        <p>Thanks for submitting your form</p>

        <?php
        if($insert == true){
        echo "<p class ='submitMsg'>Thanks for submitting your form. </p>";
        }
    ?>
        
        <form action="index.php" method="post">
        
        
            <input type="text" name="name" id="name" placeholder="Enter your name">
            <input type="text" name="age" id="age" placeholder="Enter your age">
            <input type="text" name="gender" id="gender" placeholder="Enter your gender">
            <input type="email" name="email" id="email" placeholder="Enter your email">
            <input type="phone" name="phone" id="phone" placeholder="Enter your phone">
            <textarea name="desc" id="desc" cols="30" rows="10" placeholder="Enter your desc here"></textarea>
            <button class="btn">Submit</button>
        </form>
    </div>
    <script src="index.js"></script>

</body>  
</html>