thankyou_page.php

<!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>Thank you</title>
    <link rel="stylesheet" href="style.css">

    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        .container {
            background-color: #fff3f3;
            margin: 15% 31%;
            padding: 12px 12px;
            border: 1px solid black;
            text-align: center;
        }
    </style>
</head>

<body>
    <div class="container">
        <h1 class="display-3">Thank You!</h1>
        <p class="lead"><strong>Mail will has been sent to the student regarding this.</strong></p>
        <hr>

        <p class="lead">
            <a class="hero-btn" href="index.html" role="button">Continue to homepage</a>
        </p>
    </div>
</body>

</html>