Mamikonars

wp_enqueue_script( 'gym-subscribe', get_template_directory_uri() . '/assets/js/subscribe-form.js', array('jquery'), THEME_VERSION, true );
wp_localize_script( 'gym-subscribe', 'subscribe_form_object', array(
  'url'   => admin_url( 'admin-ajax.php' ),
  'nonce' => wp_create_nonce( 'subscribe-form-nonce' ),
) );

Mamikonars

<?php 

add_action( 'wp_ajax_ajax_form_action', 'ajax_action_callback' );
add_action( 'wp_ajax_nopriv_ajax_form_action', 'ajax_action_callback' );

function ajax_action_callback() {

// errors array
$errors = [];

Mamikonars

<?php 

function gym_castomization($wp_customize) {
    //add panel
    $wp_customize->add_panel('gym_panel', array(
        'priority' => 30,
        'capability' => 'edit_theme_options',
        'title' => esc_html__('Gym settings', 'gym'),
        'description' => esc_html__('Page settings', 'gym'),
    ));

Mamikonars

jQuery( document ).ready(function($) {    
    //image option 
     $('body').on( 'click', '.muna-upl', function(e){
        e.preventDefault();
        var button = $(this),
            custom_uploader = wp.media({
                title: 'Insert image',
                library : {
                    // uploadedTo : wp.media.view.settings.post.id, // attach to the current post?
                    type : 'image'

Mamikonars

$content[] = '#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' {
    width: ' . $width . ';
}

#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' .
$this->html_class_prefix . 'section-header {
    border-top-color: ' . $this->options[ $this->name_prefix . 'color' ] . ';
}

#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' . $this->html_class_prefix . 'question {

Mamikonars

    #' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' . $this->html_class_prefix . 'section.' . 
    $this->html_class_prefix . 'section-start-page .' . $this->html_class_prefix . 'section-header *,
    #' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' . $this->html_class_prefix . 'section.' .
    $this->html_class_prefix . 'section-start-page .' . $this->html_class_prefix . 'section-header .' . $this->html_class_prefix .
    'section-title-row {
        color: ' . $this->options[ $this->name_prefix . 'start_page_text_color' ] . ';
    }

    #' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' input.' . $this->html_class_prefix . 'question-input ~
            .' . $this->html_class_prefix . 'input-underline,

Mamikonars

#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' . $this->html_class_prefix . 'question {
    border-left-color: ' . $this->options[ $this->name_prefix . 'color' ] . ';
}

#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' .' . $this->html_class_prefix . 'question {
    ' . ( $this->options[ $this->name_prefix . 'logo' ] != '' ? 'padding-bottom: 50px;' : '' ) . '
}

#' . $this->html_class_prefix . 'container-' . $this->unique_id_in_class . ' input.' . $this->html_class_prefix . 'question-input {
    font-size: ' . $this->options[ $this->name_prefix . 'answer_font_size' ] . 'px;