body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f9f9f9;
}

.container {
    width: 80%;
    margin: auto;
    text-align: center;
}

h1 {
    color: #333;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 10px;
    text-align: center;
}

th {
    background-color: #007BFF;
    color: white;
}

td {
    background-color: #f3f3f3;
}

canvas {
    margin-top: 20px;
}