body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}
header {
    background-color: #002b5c;
    color: white;
    padding: 1em;
    text-align: center;
}
nav a {
    color: #ffffff;
    margin: 0 10px;
    text-decoration: underline;
}
main {
    padding: 2em;
}
section {
    margin-bottom: 2em;
}