/* Reset default margins/padding */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #e0eafc, #cfdef3);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* Main container */
.container {
  text-align: center;
  background-color: #ffffff;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  width: 100%;
}

/* Headline */
.container h1 {
  font-size: 2rem;
  color: #333;
  margin-bottom: 20px;
}

/* Message text */
.container p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #555;
  line-height: 1.6;
}

/* Button */
.btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 1rem;
  background-color: #007bff;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #0056b3;
}

/* Responsive font size and layout */
@media (max-width: 480px) {
  .container {
    padding: 30px 20px;
  }

  .container h1 {
    font-size: 1.5rem;
  }

  .container p {
    font-size: 1rem;
  }

  .btn {
    font-size: 0.95rem;
    padding: 10px 20px;
  }
}