.container .inner {
  max-width: 600px;
}

.customer-img {
  padding-bottom: 147%;
  margin: 40px 0;
}

.viewport img {
  max-width: 100%;
  margin: 40px 0;
}

.customer-prev2, .customer-next2, .close {
  display: none;
}

.back {
  display: block;
  text-align: center;
}

@media screen and (max-width: 760px) {
  .customer-img, .viewport img {
    margin: 20px 0;
  }
}