body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f44336;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  background: #fff;
  color: #333;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  text-align: center;
  max-width: 400px;
}

h1 {
  color: #e53935;
  margin-bottom: 20px;
}

.contact-box {
  background: #fbe9e7;
  color: #d84315;
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  font-size: 18px;
}

button {
  background-color: #25d366;
  color: white;
  padding: 12px 20px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background-color: #1ebe5b;
}