body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0a0a0a;
  color: #f0f0f0;
}
header {
  background-color: #111;
  padding: 1rem;
  text-align: center;
  border-bottom: 2px solid #444;
}
nav {
  display: flex;
  justify-content: center;
  background-color: #222;
  flex-wrap: wrap;
}
nav a {
  color: #f0f0f0;
  text-decoration: none;
  padding: 1rem;
}
nav a:hover {
  background-color: #333;
}
main {
  padding: 2rem;
  text-align: center;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.item {
  background-color: #1a1a1a;
  padding: 1rem;
  border: 1px solid #333;
  border-radius: 8px;
}
.item a {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: #444;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}
.item a:hover {
  background-color: #666;
}
@media (max-width: 600px) {
  nav {
    flex-direction: column;
  }
}