body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 2rem;
  line-height: 1.6;
}

h1 {
  color: #0f766e;
}

a {
  color: #115e59;
  text-decoration: none;
  margin-right: 1rem;
}

a:hover {
  text-decoration: underline;
}

nav {
  margin-top: 1.5rem;
}