404.php

<?php
defined( 'ABSPATH' ) || exit;

remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_loop', 'virtuoso_404' );

function virtuoso_404() {
	echo genesis_html5() ? '<article class="entry">' : '<div class="post hentry">';
	add_action( 'genesis_404_entry', '<div class="wrap">', 7 );
	add_action( 'genesis_404_entry', '</div>' );

	printf( '<h1 class="entry-title">%s</h1>', apply_filters( 'genesis_404_entry_title', __( 'Error 404', 'virtuoso' ) ) );

	echo '<div class="entry-content">';
	echo apply_filters( 'genesis_404_entry_content', '<p>' . 'ooops, something went wrong.' . '</p>' );

	?>

	<div id="parallax">
		<div class="parallax_wrap">

			<img src="<?php echo esc_url( get_site_url() ); ?>/wp-content/themes/virtuoso/assets/images/parallax3.png" />

			<img src="<?php echo esc_url( get_site_url() ); ?>/wp-content/themes/virtuoso/assets/images/parallax2.png" />

			<img src="<?php echo esc_url( get_site_url() ); ?>/wp-content/themes/virtuoso/assets/images/parallax1.png" />

		</div>
	</div>

	<?php
}

genesis();