body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
}

.container {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
}

textarea {
  width: 100%;
  height: 100px;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  display: block;
  width: 100%;
  padding: 10px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}

#ultimoSecreto {
  margin-top: 20px;
  padding: 10px;
  background-color: #f9f9f9;
  border: 1px solid #ccc;
  border-radius: 5px;
}