body {
  background: linear-gradient(135deg, #3b4cca, #ffcb05);

}

.card {
  padding: 30px;
  border-radius: 20px;
  text-align: center;
  width: 300px;
  background: white;
}

.menu-card {
  background: white;
  padding: 30px;
  border-radius: 20px;
  width: 90%;
  max-width: 500px;
  text-align: center;

}

.btn {
  margin: 8px 0;
  border-radius: 12px;
}

.contenedor-historial {
  max-width: 500px;
  width: 90%;
  border-radius: 20px;
}

.card-grafica {
  background: white;
  width: 90%;
  max-width: 700px;
  border-radius: 20px;
}