LandingPage.html

<!DOCTYPE html>
<html lang="en">
<head>
   <div class="container">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Landing Page</title>
    <link rel="stylesheet" type="text/css" href="style2.css">
    <link rel="stylesheet" type="text/css"
       href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
    <h1> WELCOME </h1>
    <h2> Event Registration website </h2>
    <h3> Are you an Admin or participant? </h3>
</div>
</head>
<body>
    <div class="container first">
      <form action="Admin_Registration_and_Login_page.php" method="post">    
       <button type="submit" class="btn.group"> Admin Page </button>
    </form>
    <form action="Participant_Login_and_Registration_page.php" method="post">    
        <button type="submit" class="btn.group"> Participant Page </button>
     </form>
    </div>
</body>
</html>