.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.lightbox-content {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
    text-align: center;
    min-width: 300px;
}

.lightbox-content button,
.lightbox-content input[type="submit"] {
        margin: 10px;
}