.miniatura {
    max-width: 50px;
    max-height: 50px;
}

.previa {
  max-width: 200px;
  max-height: 200px;
}

.img_producto {
    max-width: 600px;
    max-height: 600px;
}

/* TEMPLATE DEL CONTROL PANEL */
.custom-navbar {
    background-color: #000;
    color: #fff;
  }
  .custom-footer {
    background-color: #000;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
  }
  .fixed-footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
  }
  body {
    padding-bottom: 60px; /* To ensure content above the footer */
  }
  .navbar-nav {
    flex: 1;
    display: flex;
    justify-content: center;
  }