body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    text-align: center;
    margin: 0;
    padding: 0;
}

header {
    background-color: #007bff;
    color: white;
    padding: 20px;
    font-size: 24px;
}

main {
    padding: 20px;
}

p {
    font-size: 18px;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}