body {
  font-family: 'Roboto', sans-serif;
}

nav ul li a {
  transition: all 0.3s ease;
}

.hero-bg {
  background-image: url('/images/background.jpg');
  background-size: cover;
  background-position: center;
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  nav ul li {
    margin: 0.5rem 0;
  }
}