denistrator

var mobileBreackpoint = 767;

var stickyElem = $('.page-header');
var stickyElemCheckpoint = 82;
var stickyElemActiveClass = 'page-header_sticky';
var stickyElemHelperClass = 'page-header_inert-sticky';

stickyElem.addClass(stickyElemHelperClass);

$(document).ready(function() {

denistrator

<?php
/**
 * Copyright
 */

namespace Vendor\Module\Block;

use Magento\Cms\Model\ResourceModel\Block\CollectionFactory;
use Magento\Framework\DataObject;
use Magento\Framework\Exception\NoSuchEntityException;