.copy-notification {
    position: fixed;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: #fff;
    border-radius: 5px;
    padding: 15px 20px;
    font-size: 16px;
    text-align: center;
    z-index: 9999;
    transition: top 0.3s ease-in-out;
}

.copy-notification.show {
    top: 20px;
}