body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background: #f0f2f5;
}

h1 {
    color: #4a90e2;
    text-align: center;
}

h2 {
    color: #333;
    border-bottom: 2px solid #4a90e2;
    padding-bottom: 5px;
}

ul {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

li {
    margin: 10px 0;
    color: #555;
}

p {
    color: #666;
    line-height: 1.6;
}