/*new custom*/
    .page-slider .custom-item .image-mobile{display:none;}
    @media(max-width:640px){
        .page-slider .custom-item {background:none!important;min-height: 1px!important;}
        .page-slider .custom-item .image-desktop{display:none!important;}
        .page-slider .custom-item .image-mobile{display:block!important;visibility: visible!important;}
    }