.ui-dialog {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
}

.ui-dialog-content {
    height: auto !important;
    overflow: visible !important;
}

.ui-widget-header {
    border: none;
    background-color: #fff;
    background-image: none;
}

.ui-widget-overlay {
    background: #000 !important;
    opacity: 0.5 !important;
}