body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #d1091e, #960716);
  color: white;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  padding: 20px;
  margin: 0 auto;
  max-width: 500px;
}

h1 {
  font-size: 2em;
  margin-bottom: 20px;
}

label, input, button {
  font-size: 1.2em;
}

input {
  padding: 10px;
  margin: 10px 0;
  width: 80%;
}

button {
  background-color: #4CAF50;
  border: none;
  color: white;
  padding: 10px 20px;
  font-size: 1em;
  cursor: pointer;
  border-radius: 5px;
}

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

.hidden {
  display: none;
}

#result-message {
  margin: 20px 0;
  font-size: 1.5em;
}

button:last-of-type {
  margin-top: 20px;
  background-color: #f44336;
}

button:last-of-type:hover {
  background-color: #e41e26;
}