body {
    font-family: sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: #f9f9f9;
}
header, footer {
    text-align: center;
}
h1 {
    color: #005a9c;
}
h2 {
    color: #005a9c;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}
ul {
    list-style-type: none;
    padding-left: 0;
}
li {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
}
strong {
    color: #005a9c;
}
footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #777;
}