body {
  font-family: Arial, sans-serif;
  background-color: #0f172a;
  color: #e2e8f0;
  text-align: center;
  margin-top: 100px;
}

h1 {
  color: #38bdf8;
}

button {
  background-color: #22c55e;
  border: none;
  padding: 10px 20px;
  color: white;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background-color: #16a34a;
}