body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
}

h1 {
    text-align: center;
}

#chart {
    margin: 20px auto;
    width: 800px;
}

.table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
}

.table th, .table td {
    border: 1px solid #ddd;
    padding: 8px;
}

.table th {
    background-color: #f2f2f2;
    text-align: left;
}

.legend {
    font-size: 12px;
}