@media screen and (max-width : 767px) {
    .dhx_cal_tab {
        background-image: none !important;
        margin-bottom: 0 !important;
    }

    .dhx_cal_today_button, .dhx_cal_tab {
        text-decoration: none !important;
    }

    .dhx_cal_prev_button {
        background: url(/Scripts/dhtmlxScheduler/imgs_dhx_terrace/arrow_left.png) no-repeat center center #DCEAF8 !important;
    }

    .dhx_cal_next_button {
        background: url(/Scripts/dhtmlxScheduler/imgs_dhx_terrace/arrow_right.png) no-repeat center center #DCEAF8 !important;
    }

    .dhx_cal_navline .dhx_cal_prev_button,
    .dhx_cal_navline .dhx_cal_next_button,
    .dhx_cal_today_button, .dhx_cal_tab {
        border: 1px solid #A4BED4;
    }

    .dhx_cal_today_button {
        background-image: none !important;
        background-color: #dbe4ed;
    }

        .dhx_cal_today_button:hover {
            background-color: #D8E1EA;
        }

    .dhx_cal_container {
        background-position: 0 82px !important;
    }

    .dhx_cal_tab.active {
        border: 1px dotted #586A7E !important;
    }
}

@media screen and (max-width : 450px) {
    .dhx_cal_container {
        background-position: 0 82px !important;
    }
}