body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding-top: 100px;
    background-color: #f4f4f9;
    color: #333;
}

nav {
    background-color: #00509e;
    padding: 10px 0;
    text-align: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-size: 1.1em;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h1 {
    color: #002855;
    border-bottom: 2px solid #002855;
    padding-bottom: 10px;
}

h2 {
    color: #00509e;
    margin-top: 30px;
}

section {
    margin-bottom: 40px;
}

footer {
    background-color: #002855;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}