#map {
  width: 300px;
  height: 365px;
}
nav {
  margin-top: 2rem;
}
nav ul {
  display: inline;
  padding: 0;
}
nav li {
  display: inline;
  list-style: none;
  margin-right: 1rem;
}
nav li::before {
  content: '[';
}
nav li::after {
  content: ']';
}
nav li.active a {
  color: black;
  text-decoration: none;
}