jQuery(document).ready(function () {
                    var mql = window.matchMedia('screen and (min-width: 768px)');
                    if (mql.matches) {
                        jQuery('#lang_sel_list ul li a span').css("color", "whitesmoke");
                        jQuery(window).scroll(function () { // check if scroll event happened
                            if (jQuery(document).scrollTop() > 30) { // check if user scrolled more than 50 from top of the browser window
                                jQuery('#lang_sel_list ul li a span').css("color", "gray");
                            } else {
                                jQuery('#lang_sel_list ul li a span').css("color", "whitesmoke");
                            }
                        });
                    }
                });

Блок 2

jQuery(document).ready(function () {
                    jQuery(window).scroll(function(event){
                        jQuery(window).trigger('resize');
                    });
                });

Блок 3

function setEqualHeight(columns) {
                var tallestcolumn = 0;
                columns.each(function () {
                    currentHeight = jQuery(this).height();
                    if (currentHeight > tallestcolumn) {
                        tallestcolumn = currentHeight;
                    }
                });
                columns.height(tallestcolumn);
            }

            jQuery(document).ready(function () {
                setEqualHeight(jQuery(".column"));
                setEqualHeight(jQuery(".woocommerce-form"));
            });

Блок 4

(function ($) {
                    $(document).bind('gform_post_render', function () {
                        var $firstError = $('li.gfield.gfield_error:first');
                        if ($firstError.length > 0) {
                            $firstError.find('input, select, textarea').eq(0).focus();
                            document.body.scrollTop = $firstError.offset().top;
                        }
                    });

Ставки 3 Обсуждения 3