.datepicker_overlay {
    position: fixed;
    z-index: 98;
    pointer-events: none;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    display: none;
}

.datepicker_overlay.opened {
    display: block;
}

.datepicker_container{
    position: absolute;
    z-index: 99;
    pointer-events: auto;
}