#modal_yacht_reservation_invoice .buttons {
    display: flex;
    justify-content: center;
}

#modal_yacht_reservation_invoice .buttons > * {
    width: 220px;
    max-width: calc(50% - 10px);
    text-transform: uppercase;
    padding: 12px 20px;
    margin: 10px;
    color: white;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

#modal_yacht_reservation_invoice .save {
    background: #21c175 !important;
}

#modal_yacht_reservation_invoice .save:disabled {
    background: #999 !important;
}

#modal_yacht_reservation_invoice .export {
    background: #ff9b0b !important;
}