* {
  box-sizing: border-box;
}

img {
  max-width: 100%;
  vertical-align: top;
}

.gallery {
  display: flex;
   	flex-direction: row;
  	flex-wrap: wrap;
  margin: 10px auto;
  max-width: 450px;
  position: relative;
  padding-top: 66.6666666667%;
  justify-content: center
}
@media screen and (min-width: 000px) {
  .gallery {
    padding-top: 230px;
  }
}
.gallery__img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
padding:3px;
background-color:white;
border-width:8px;
border-style:solid;
border-color:#3a3b3a;
width: 430;
height: 200;
margin-bottom:25px;
}
.gallery__thumb {
  padding-top: 6px;
  margin: 6px;
  display: block;
}
.gallery__selector {
  position: absolute;
  opacity: 0;
  visibility: hidden;
}
.gallery__selector:checked + .gallery__img {
  opacity: 1;
}
.gallery__selector:checked ~ .gallery__thumb > img {
  box-shadow: 0 0 0 3px #0be2f6;
}
@media screen and (max-width: 550px) {
  .gallery {
    padding-top: 170px;
  }
}