body {
  background-color: #f5f5f5;
  color: #333;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
}

center {
  margin-bottom: 20px;
}

h2 {
  color: #007acc;
}

p {
  font-size: 16px;
  margin-bottom: 10px;
}

input {
  padding: 8px;
  font-size: 14px;
  margin-bottom: 10px;
}

button {
  background-color: #4caf50;
  color: #fff;
  padding: 10px 15px;
  font-size: 16px;
  cursor: pointer;
  border: none;
}

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