body {
    background-color: #0B162A;
    color: white;
    font-family: Arial, sans-serif;
    margin: 10px;
}

h1 {
    text-align: center;
}

nav {
    text-align: center;
    margin-bottom: 20px;
}

footer {
    text-align: center;
    margin-top: 20px;
}