.gallery
{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  max-width: 500px;
}

.gallery_images
{
	position: relative;
	width: 500px;
    height: 500px;
}

.gallery__img
{
  position: absolute;
  top: 0;
  left: 0;
  width: 500px;
  height: 500px;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  vertical-align: top;
}

.gallery__img_show
{
	opacity: 1;
}

.gallery__thumb
{
  margin: 6px;
  display: block;
}

.gallery__thumb > div
{
	width: 80px;
	height: 80px;
}


.gallery__selector
{
  position: absolute;
  opacity: 0;
  visibility: hidden;
}

.gallery__selector:checked ~ .gallery__thumb > div
{
  box-shadow: 0 0 0 3px #FE4245;
}