body .thsn-slider-area #rev_slider_3_1_wrapper {
    z-index: 1 !important;
}

body .thsn-slider-area #rev_slider_2_1_wrapper {
    z-index: 1 !important;
}

body .thsn-slider-area #rev_slider_1_1_wrapper {
    z-index: 1 !important;
}