body {
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  margin: 0;
  padding: 20px;
}

h1 {
  color: #333;
}

button {
  background-color: #42b983;
  color: white;
  border: none;
  padding: 10px 15px;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #2c8e63;
}