.container2 {
  max-width: 800px;
  margin: 5% auto;
  padding: 20px;
  background-color: #fffcf4;
  border-radius: 10px;
  overflow: hidden;
  box-sizing: border-box;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4);
}

.lightbox-gallery {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

.lightbox-gallery div > img {
  max-width: 100%;
  display: block;
}

.lightbox-gallery div {
  margin: 10px;
  flex-basis: 180px;
}

@media only screen and (max-width: 480px) {
  .lightbox-gallery {
    flex-direction: column;
    align-items: center;
  }

  .lightbox > div {
    margin-bottom: 10px;
  }
}

/*Lighbox CSS*/

.lightbox {
  display: none;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7); /*Fondo al momento de que se abre la imagen en fullscreen*/
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  padding-top: 30px;
  box-sizing: border-box;
}

.lightbox img {
  display: block;
  margin: auto;
}

.lightbox .caption {
  margin: 15px auto;
  width: 50%;
  text-align: center;
  font-size: 1em;
  line-height: 1.5;
  font-weight: 700;
  color: #eee;
}