#map {
    height: 800px;
    width: 1200px;
    margin: 0 auto;
    max-width: 100%;
}

nav.menu {
    background: #333;
    padding: 10px;
    text-align: center;
}
nav.menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-block;
}
nav.menu li {
    display: inline;
    margin: 0 20px;
}
nav.menu a {
    color: white;
    text-decoration: none;
    padding: 5px 10px;
}
nav.menu a:hover {
    background: #555;
}