body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f0f0f0;
}

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

nav li {
    display: inline;
    margin-right: 10px;
}

nav a {
    text-decoration: underline;
    color: blue;
}

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