body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

h1 {
    text-align: center;
    color: #4CAF50;
    margin-top: 20px;
}

h2 {
    color: #4CAF50;
    margin-top: 20px;
}

p {
    line-height: 1.6;
    margin: 10px 20px;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

footer {
    text-align: center;
    margin: 20px 0;
    color: #777;
    font-size: 0.9em;
}