( function( $ ) {
    $( function() {
        $('._slider-wrap ._slider').slick( {
            centerMode: true,
            variableWidth: true,
            slidesToShow: 1,
            arrows: true,
            autoplay: true,
            autoplaySpeed: 3000,
            dots: true,
            dotsClass: '_slider-mark',
            customPaging: function( slider, i ) {
                return '<button type="button" data-role="none">&nbsp;</button>';
            }
        } );
    } );
} )( jQuery );