body {
  font-family: Arial, sans-serif;
  margin: 20px;
  padding: 0;
  background-color: #f5f5f5;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
}

.contenedor {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.tarjeta {
  background-color: white;
  padding: 20px;
  width: 300px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.tarjeta:hover {
  transform: scale(1.05);
}

/* Media query para pantallas pequeñas (celular) */
@media (max-width: 600px) {
  .contenedor {
    flex-direction: column;
    align-items: center;
  }

  .tarjeta {
    width: 90%;
  }

  h1 {
    font-size: 20px;
  }
}

/* Media query para tablets */
@media (min-width: 601px) and (max-width: 900px) {
  .contenedor {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .tarjeta {
    width: 45%;
  }
}