function sk_customizer_css() {
?>
	 <style type="text/css">
		<?php if ( 0 < count( strlen( ( $home_top_background_image_url = get_theme_mod( 'sk_home_top_background_image' ) ) ) ) ) { ?>
			.home-top {
				background-image: url( <?php echo $home_top_background_image_url; ?> );
			}
		<?php } // end if ?>
	 </style>
<?php
} // end sk_customizer_css