body {
  font-family: system-ui, sans-serif;
  max-width: 640px;
  margin: 3rem auto;
  padding: 0 1rem;
}

#login-links a {
  display: inline-block;
  margin-right: 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid #333;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
}

#logout-form {
  margin-top: 1.5rem;
}