.pop-up-window {
    position: fixed;
    z-index: 9999;
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 8px;
    box-sizing: border-box;
}