body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f4f4;
  margin: 0;
  padding: 0;
  color: #333;
}
.contenedor {
  max-width: 700px;
  margin: auto;
  background: white;
  padding: 2em;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  text-align: center;
}
a {
  color: #007BFF;
  text-decoration: none;
}
.boton {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: #007BFF;
  color: white;
  border-radius: 5px;
}
.confirmacion {
  margin-top: 2em;
  padding-top: 2em;
  border-top: 1px solid #ccc;
}
input, select, textarea {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}
button {
  background: #28a745;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}