body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #003366;
    color: white;
    padding: 10px 0;
    text-align: center;
}

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: white;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

section {
    margin: 20px;
}

input[type="radio"] {
    margin: 5px;
}

form {
    margin-top: 20px;
}