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

.container {
    width: 90%;
    margin: auto;
    padding: 20px;
}

header {
    background: #0a2540;
    color: white;
    padding: 15px 0;
}

a {
    color: #0a2540;
    text-decoration: none;
}