.alertify .ajs-header {
    font-weight: 500 !important;
    color: #fff !important;
    background-color: #dc3545 !important;
}

.alertify .ajs-footer .ajs-buttons .ajs-button.ajs-ok {
    color: #fff;
    background-color: #dc3545 !important;
    border: 1px solid #dc3545 !important;
}