/* Basic reset */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background-color: #4CAF50;
  color: white;
  padding: 20px;
}

main {
  margin: 40px 0;
}

button {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background-color: #45a049;
}

footer {
  background-color: #eee;
  padding: 15px;
  font-size: 14px;
}