#openBtn {
    margin: 20px;
    font-size: 16px;
    cursor: pointer;
}

.floating-window {
    display: none;
    position: fixed;
    width: 300px;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

.floating-window .content {
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
}