.header {
  background-color: #2c3e50;
  padding: 20px;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 20px;
  justify-content: center;
}

.nav-list a {
  color: white;
  text-decoration: none;
}

.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 15px 30px;
  background: #e74c3c;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.btn:hover {
  background: #c0392b;
}