* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #f0f2f5;
  color: #333;
  padding: 40px;
  text-align: center;
}
p {
  font-size: 24px;
  margin-bottom: 20px;
  color: #2c3e50;
}
button {
  background-color: #3498db;
  color: white;
  font-size: 18px;
  cursor: pointer;
  margin-bottom: 30px;
}

button:hover {
  background-color: #2980b9;
}

#fechaHora {
  margin-top: 40px;
  font-size: 18px;
  color: #555;
  background-color: #ecf0f1;
}