body {
    font-family: sans-serif;
    margin: 40px;
    line-height: 1.8;
    color: #333;
}

h1 {
    font-size: 24px;
    border-bottom: 2px solid #000;
    padding-bottom: 10px;
}

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

nav li {
    display: inline;
    margin-right: 15px;
}

a {
    text-decoration: none;
    color: #000;
}