Genesis add cover image after header

add_action( 'genesis_after_header', 'cover_image' );

function cover_image() {
	// if we are not on a single page, abort.
	if ( !is_singular( 'page' ) ) {
		return;
	}

	if ( has_post_thumbnail() ) {
	
		$image = genesis_get_image( 'format=url&size=post-cover' );
	 ?>

	<div class="post-cover" style="background-image: url('<?php echo $image; ?>')">
	</div>

	<?php
	}
}

if ( has_post_thumbnail() ) { ?>
 <style>
.site-inner{margin-top:5px;}
.entry-title{padding-top: 30px;}
.content-sidebar-wrap{
margin-top: -120px;
background:white;	
	
}

/* Post cover image */
.post-cover {
	padding: 300px 0;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
}

@media only screen and (max-width: 1023px) {

	.post-cover .entry-title {
		max-width: none;
	}

} 
</style>
<?php
}