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

header, footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

main {
    padding: 20px;
}

h2 {
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #333;
    color: #fff;
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
}