body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f8f8;
    color: #333;
}
header {
    background-color: #006699;
    color: white;
    padding: 30px;
    text-align: center;
}
section {
    padding: 20px;
    margin: 10px auto;
    max-width: 900px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
h1, h2 {
    margin-top: 0;
}
footer {
    text-align: center;
    padding: 15px;
    background-color: #eee;
    margin-top: 30px;
}
ul {
    list-style-type: square;
    padding-left: 20px;
}
blockquote {
    font-style: italic;
    margin-left: 20px;
}