body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0f172a;
  color: white;
  font-family: Arial, sans-serif;
}

.container {
  text-align: center;
  padding: 40px;
}

h1 {
  color: #38bdf8;
}

button {
  background: #38bdf8;
  color: #0f172a;
  border: none;
  padding: 14px 25px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #7dd3fc;
}