Problems with functions.php! Error! [closed]

There is a missing </style> tag, and a <?php } for the function

function modularity_admin_header_style() { ?>
<style type="text/css">
#headimg {
    height: <?php echo HEADER_IMAGE_HEIGHT; ?>px;
    width: <?php echo HEADER_IMAGE_WIDTH; ?>px;
}
</style>
<?php }