body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    text-align: center;
    background-color: #0073e6;
    color: white;
    padding: 20px 0;
}

main {
    padding: 20px;
}

h1, h2 {
    margin: 0;
}

p {
    line-height: 1.6;
}