index.php

<?php
 include 'includes/autoloader.inc.php';
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <link rel="stylesheet" href="css/style.css">
  <link rel="icon" type="image/png" sizes="16x16"  href="assets/favicons/favicon-index.png">
  <title>TableForTwo</title>
</head>
<body>
  <!-- Include header -->
  <?php
    include 'includes/header.inc.php';
  ?>

  <!-- Create a flex container to center blue box -->
  <div class="index-flex">
  <div class="index-central-item">
    <!-- Container for guests -->
    <div class="index-option">
    </div>

    <!-- Container for businesses -->
    <div class="index-option">
    </div>

  </div>
  </div>
</body>
</html>