.preview-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
  z-index: 1;
  cursor: pointer;
  overflow: hidden;
  transition: all .3s ease;
}

.preview-container.is-show,
.preview-container.is-show .preview-container__modal {
  width: 100%;
  height: 100vh;
}

.preview-container.is-show img {
  opacity: 1;
}

.preview-container__modal {
  /* width: 100%;
  height: 100vh; */
  width: 0;
  height: 0;
  z-index: 1200;
  position: fixed;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, .7);
}

.preview-container img {
  opacity: 0;
  margin: auto;
  max-width: 80%;
  display: block;
  position: fixed;
  z-index: 2000;
  top: 50%;
  left: 50%;
  transition: all .2s ease;
  transform: translate(-50%, -50%);
}