body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  padding: 20px;
}

.contenedor {
  background-color: white;
  max-width: 400px;
  margin: auto;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 5px gray;
  text-align: center;
}

h1 {
  font-size: 22px;
}

p {
  color: #555;
}

a.boton {
  display: block;
  margin-top: 15px;
  padding: 10px;
  background-color: #4CAF50;
  color: white;
  text-decoration: none;
  border-radius: 4px;
}

a.boton:hover {
  background-color: #45a049;
}