.purchase-popup {
    position: fixed;
    bottom: 20px;
    Right: 20px;
    background-color: #4CAF50;
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    font-family: Arial, sans-serif;
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 9999;
}

.purchase-popup.show {
    display: block;
}