body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f4;
}
header {
    text-align: center;
    margin-bottom: 30px;
}
section {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
}
img {
    margin: 10px;
}