.popup {
    position: fixed;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--modal-background);
    color: var(--text-color);
    padding: 20px;
    border-radius: 30px;
    z-index: 9999996;
    transition: opacity 0.5s;
    max-width: 80%;
    text-align: center;
}