Image center redirect page

<?php
  header( "refresh:5;url=http://www.nieuwewebsite.nl" );
?>

<!DOCTYPE html>
<html>
  <head>
    <title>Titel van de pagina hier!</title>
    <style>
        html{
          width: 100%;
          height: 100%;
          background:url(http://www.placehold.it/200x200) center center no-repeat;
        }
    </style>
  </head>
</html>