.back-in-stock-configurable-notification-modal .modal-inner-wrap {
    max-width: 500px;
}

.back-in-stock-configurable-notification-alert .modal-inner-wrap {
    max-width: 500px;
}
.back-in-stock-configurable-notification-alert .modal-header {

width: 94% !important;
    display: inline-block;
    position: relative;
    margin: 0px 2%;	
}