body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #4CAF50;
    color: white;
    padding: 20px;
    text-align: center;
}

.nav {
    background-color: #333;
    padding: 10px;
    text-align: center;
}

.nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}

.nav a:hover {
    text-decoration: underline;
}

.section {
    padding: 20px;
    background-color: #ffffff;
    margin-bottom: 10px;
}

.section h2 {
    color: #4CAF50;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    background-color: #4CAF50;
    color: white;
}

.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px;
}