body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
}
h1, h2 {
    color: #2c3e50;
}
h1 {
    text-align: center;
    margin-bottom: 20px;
}
h2 {
    margin-top: 25px;
}
p {
    margin-bottom: 15px;
}
footer {
    margin-top: 30px;
    text-align: center;
    font-size: 0.9em;
    color: #7f8c8d;
}
a {
    color: #3498db;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}