body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 20px auto;
    padding: 10px;
    line-height: 1.6;
}

h1 {
    text-align: center;
}

h2 {
    margin-top: 25px;
    color: #333;
}

ul, ol {
    margin-left: 20px;
}