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

header {
    background-color: #004080;
    color: white;
    padding: 1em 0;
    text-align: center;
}

nav {
    background-color: #00509e;
    padding: 1em;
}

nav h2 {
    color: white;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    margin: 0.5em 0;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

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

main {
    padding: 2em;
}

h2, h3 {
    color: #004080;
}

article {
    margin-bottom: 2em;
}

ul, dl {
    margin-left: 1em;
}

dt {
    font-weight: bold;
    color: #00509e;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

table, th, td {
    border: 1px solid #004080;
}

th, td {
    padding: 0.5em;
    text-align: left;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 1em 0;
}