body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 20px;
    color: #333;
}
h1, h2 {
    color: #0056b3;
}
h1 {
    border-bottom: 2px solid #0056b3;
    padding-bottom: 10px;
}
p {
    margin: 10px 0;
}
footer {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666;
}