body {
    font-family: Arial, sans-serif;
    margin: 0;
    line-height: 1.6;
    color: #333;
    background-color: #fdfdfd;
}

header {
    background-color: #0a2540;
    color: #fff;
    padding: 20px;
    text-align: center;
}

nav {
    background-color: #f5f5f5;
    padding: 10px;
    text-align: center;
}

nav a {
    margin: 0 10px;
    text-decoration: none;
    font-weight: bold;
    color: #0a2540;
}

nav a:hover {
    color: #2e77d0;
}

main {
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
}

footer {
    background-color: #0a2540;
    color: #fff;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
}