body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

header {
    text-align: center;
}

header img {
    width: 50%;
    max-height: 400px;
    object-fit: cover;
}

main {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

ol {
    text-align: center;
    list-style: none;
    padding: 0;
}

li {
    font-size: 24px;
    margin-bottom: 10px;
}