#scg-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.8);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#scg-modal {
    background: #fff;
    padding: 24px;
    max-width: 400px;
    text-align: center;
    border-radius: 6px;
}

#scg-modal button {
    margin: 10px;
    padding: 8px 20px;
    cursor: pointer;
}