Witam
Mam problem z dodaniem skryptu do wordpress:
https://www.jqueryscript.net/[...]tiple-images-cz-parallax.html
samego obrazka chmury png wraz ze skryptem headera wordpress
Oto link do mojej strony: 'klm.nazwa.pl/klm'

KOD chmury "demo.html":

<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <title>CZ-Parallax jQuery Plugin Example</title>

    <script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
    <script src="js/CZ-Parallax_jQuery-min.js"></script>

</head>

<body style="margin: 0">
    <div id="test" style="width: 100vw; height: 100vh; padding: 20px;"><h1></div>
    <script>
        $('#test').CZParallax({
            fg: 'fg.png',
            bgs: [
                '',
                '',
                ''
            ]
        });
    </script>

</body>
</html>

KOD HEADER:

<?php

/**
 * Homepage parallax section Widget
 * Shapely Theme
 */
class Shapely_Home_Parallax extends WP_Widget {

    private $defaults = array();

    function __construct() {
        add_action( 'admin_init', array( $this, 'enqueue' ) );
        add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue' ) );
        add_action( 'customize_preview_init', array( $this, 'enqueue' ) );

        $widget_ops = array(
            'classname'                   => 'shapely_home_parallax',
            'description'                 => esc_html__( 'Shapely FrontPage Parallax Section', 'shapely-companion' ),
            'customize_selective_refresh' => true,
        );
        parent::__construct( 'shapely_home_parallax', esc_html__( '[Shapely] Parallax Section For FrontPage', 'shapely-companion' ), $widget_ops );

        $this->defaults = array(
            'title'         => '',
            'image_src'     => '',
            'image_pos'     => esc_html__( 'left', 'shapely-companion' ),
            'body_content'  => '',
            'button1'       => '',
            'button2'       => '',
            'button1_link'  => '',
            'button2_link'  => '',
            'border_bottom' => '',
        );
    }

    public function enqueue() {

        if ( is_admin() && ! is_customize_preview() ) {
            wp_enqueue_style( 'epsilon-styles', get_template_directory_uri() . '/inc/libraries/epsilon-framework/assets/css/style.css' );
        }

    }

    /**
     * @param array $args
     * @param array $instance
     */
    function widget( $args, $instance ) {
        $allowed_tags           = wp_kses_allowed_html( 'post' );
        $allowed_tags['iframe'] = array(
            'width'           => array(),
            'height'          => array(),
            'src'             => array(),
            'frameborder'     => array(),
            'allowfullscreen' => array(),
        );

        $instance = wp_parse_args( $instance, $this->defaults );

        echo $args['before_widget'];

        /* Classes */
        $class1 = ( 'background-full' == $instance['image_pos'] ) ? 'cover fullscreen image-bg' : ( ( 'background-small' == $instance['image_pos'] ) ? 'small-screen image-bg p0' : ( ( 'right' == $instance['image_pos'] ) ? 'bg-secondary' : ( ( 'bottom' == $instance['image_pos'] ) ? 'bg-secondary pb0' : '' ) ) );
        $class2 = ( ( 'background-full' == $instance['image_pos'] ) || ( 'background-small' == $instance['image_pos'] ) ) ? 'top-parallax-section' : ( ( 'right' == $instance['image_pos'] ) ? 'col-md-4 col-sm-5 mb-xs-24' : ( ( 'left' == $instance['image_pos'] ) ? 'col-md-4 col-md-offset-1 col-sm-5 col-sm-offset-1' : ( ( 'bottom' == $instance['image_pos'] ) ? 'col-sm-10 col-sm-offset-1 text-center' : ( ( 'top' == $instance['image_pos'] ) ? 'col-sm-10 col-sm-offset-1 text-center mt30' : '' ) ) ) );
        $class3 = ( ( 'background-full' == $instance['image_pos'] ) || ( 'background-small' == $instance['image_pos'] ) ) ? 'col-md-8 col-md-offset-2 col-sm-10 col-sm-offset-1 text-center' : '';
        $class4 = ( 'left' == $instance['image_pos'] || 'right' == $instance['image_pos'] ) ? 'row align-children' : 'row';
        $class5 = ( 'right' == $instance['image_pos'] ) ? 'col-md-7 col-md-offset-1 col-sm-6 col-sm-offset-1 text-center' : '';
        $class6 = ( 'left' == $instance['image_pos'] ) ? 'col-md-7 col-sm-6 text-center mb-xs-24' : '';
        $class7 = ( 'background-full' == $instance['image_pos'] ) ? 'fullscreen' : '';

        if ( 'on' == $instance['border_bottom'] ) {
            $class1 .= ' border-bottom';
        }
        /**
         * Widget Content
         */
        ?>
        <section class="<?php echo esc_attr( $class1 ); ?>">
            <?php
            if ( ( 'background-full' == $instance['image_pos'] || 'background-small' == $instance['image_pos'] ) && '' != $instance['image_src'] ) {
            ?>
            <div class="parallax-window <?php echo esc_attr( $class7 ); ?>" data-parallax="scroll" data-image-src="<?php echo esc_url( $instance['image_src'] ); ?>" data-ios-fix="true" data-over-scroll-fix="true" data-android-fix="true">
                <div class="<?php echo ( 'background-full' == $instance['image_pos'] ) ? 'align-transform' : ''; ?>">
                    <?php } else { ?>
                    <div class="container">
                        <?php } ?>

                        <div class="<?php echo esc_attr( $class4 ); ?>">

                            <?php
                            if ( ( 'left' == $instance['image_pos'] || 'top' == $instance['image_pos'] ) && '' != $instance['image_src'] ) {
                                ?>
                                <div class="<?php echo esc_attr( $class6 ); ?>">
                                    <img class="img-responsive" alt="<?php echo esc_attr( $instance['title'] ); ?>" src="<?php echo esc_url( $instance['image_src'] ); ?>">
                                </div>
                                <?php
                            }
                            ?>

                            <div class="<?php echo esc_attr( $class2 ); ?>">
                                <div class="<?php echo esc_attr( $class3 ); ?>">
                                    <?php
                                    echo ( '' != $instance['title'] ) ? ( ( 'background-full' == $instance['image_pos'] ) || ( 'background-small' == $instance['image_pos'] ) ) ? '<h1>' . wp_kses_post( $instance['title'] ) . '</h1>' : '<h3>' . wp_kses_post( $instance['title'] ) . '</h3>' : '';
                                    if ( '' != $instance['body_content'] ) {
                                        echo '<div class="mb32">';
                                        echo apply_filters( 'the_content', wp_kses( $instance['body_content'], $allowed_tags ) );
                                        echo '</div>';
                                    }
                                    echo ( '' != $instance['button1'] && '' != $instance['button1_link'] ) ? '<a class="btn btn-lg btn-filled" href="' . esc_url( $instance['button1_link'] ) . '">' . wp_kses_post( $instance['button1'] ) . '</a>' : '';
                                    echo ( '' != $instance['button2'] && '' != $instance['button2_link'] ) ? '<a class="btn btn-lg btn-white" href="' . esc_url( $instance['button2_link'] ) . '">' . wp_kses_post( $instance['button2'] ) . '</a>' : '';
                                    ?>
                                </div>
                            </div>
                            <!--end of row-->
                            <?php
                            if ( ( 'right' == $instance['image_pos'] || 'bottom' == $instance['image_pos'] ) && '' != $instance['image_src'] ) {
                                ?>
                                <div class="<?php echo esc_attr( $class5 ); ?>">
                                    <img class="img-responsive" alt="<?php echo esc_attr( $instance['title'] ); ?>" src="<?php echo esc_url( $instance['image_src'] ); ?>">
                                </div>
                                <?php
                            }
                            ?>
                        </div>
                    </div>
                    <?php if ( 'background-full' == $instance['image_pos'] || 'background-small' == $instance['image_pos'] ) { ?>
                </div>
                <?php } ?>
        </section>
        <div class="clearfix"></div>
        <?php

        echo $args['after_widget'];
    }