body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

#mapid {
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    margin-bottom: 20px;
}

.chart-container {
    margin-top: 20px;
}