body {
  margin: 0;
  background: #0b0f1a;
  color: #ffffff;
  font-family: Arial, sans-serif;
}

nav {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
}

button {
  background: linear-gradient(45deg, #f5b942, #ffd700);
  color: #000;
  border: none;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
}