#sub_popup {
    overflow-y: auto;
    max-height: 90vh;
}

#popup-window-content-sub_popup .description{
    font-size: 18px;
}

@media (min-width: 576px) {
    #sub_popup {
        width: 90%;
    }
    #popup-window-content-sub_popup .description {
        font-size: 18px;
    }
}


@media (min-width: 768px) {
    #sub_popup {
        width: 80%;
    }
    #popup-window-content-sub_popup .description {
        text-align: center;
        padding: 50px 25px;
        font-size: 20px;
    }
}


@media (min-width: 992px) {
    #sub_popup {
        width: 80%;
    }
}


@media (min-width: 1200px) {
    #sub_popup {
        width: 80%;
    }
}


@media (min-width: 1400px) {
    #sub_popup {
        width: 80%;
    }
    #popup-window-content-sub_popup .description {
        padding: 100px 50px;
    }
}