aside.modal-popup.stock-notification-poup.modal-popup.modal-slide._inner-scroll._show {
    max-width: 600px;
    margin: 0 auto;
}
aside.modal-popup.stock-notification-poup.modal-popup.modal-slide._inner-scroll._show p.message-success {
    color: green;
    font-size: 16px;
    font-weight: 500;
}