.backdrop {
  position: fixed;
  left: 0;
  top: 0;
  background-color: rgba(0, 0, 0, 0.3);
  padding: 50px;
  min-width: 100%;
  min-height: 100%;
  z-index: 1;
}

.light-box-pic {
  max-width: 90%;
  max-height: 90%;
  top: 44%;
  left: 43%;
  margin-right: -45%;
  transform: translate(-45%, -45%);
  position: absolute;
  cursor: pointer;
}

.instruction-section img {
  max-width: 100%;
}