body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background: linear-gradient(135deg, #7f5af0, #2cb67d);
  color: #fffffe;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

header, footer {
  margin: 20px 0;
}

button {
  background: #ff8906;
  color: #fffffe;
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 8px;
}

button:hover {
  background: #f25f4c;
}