.ppc-popup-overlay {
    position: fixed;
    z-index: 999999;
    inset: 0;
    background: rgba(0, 0, 0, .55);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.ppc-popup-window {
    background: #fff;
    border-radius: 12px;
    max-width: 400px;
    width: 100%;
    padding: 20px;
    animation: fadeIn .25s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .25);
}

.ppc-popup-actions {
    margin-top: 15px;
    text-align: right;
}

#ppc-birthday-save.is-loading {
    opacity: 0.7;
    pointer-events: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .ppc-popup-window {
        max-width: 100%;
        border-radius: 8px;
    }
}