body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}
.container {
    max-width: 800px;
    margin: 40px auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #222;
}
h2 {
    margin-top: 30px;
    color: #333;
}
p, ul, ol {
    color: #555;
}
ul, ol {
    margin-left: 20px;
}