body {
    margin: 0;
    overflow: hidden;
}

#info-card {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 20px;
    border-radius: 10px;
    width: 250px;
    font-family: Arial, sans-serif;
}

#info-card.hidden {
    display: none;
}

#info-card h2 {
    margin-top: 0;
    border-bottom: 1px solid #555;
    padding-bottom: 10px;
}

#info-card p {
    margin: 10px 0;
}

#close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
}