body, h1, h2, p {
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: white;
    text-align: center;
}

header {
    background-color: #004B00;
    color: white;
    padding: 20px;
}

main {
    padding: 20px;
}

section {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    color: #333;
}

footer {
    background-color: #333;
    color: white;
    padding: 10px;
}

a {
    color: #004B00;
}