img {
  max-width: 100%;
  height: auto;
}

.gallery {
  width: 250px;
  height: 300px;
  line-height: 0;
  margin-left: 550px;
  position: relative;
  background: transparent;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transform: perspective(400px) rotateY(0deg);
          transform: perspective(400px) rotateY(0deg);
  -webkit-transition: .2s;
  transition: .2s;
}
.gallery:hover {
  -webkit-transform: perspective(450px) rotateY(25deg);
          transform: perspective(450px) rotateY(25deg);
}
.gallery:hover div.box img {
  -webkit-filter: blur(0px);
          filter: blur(0px);
}

.box {
  position: absolute;
  top: 0;
  left: 0;
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
  -webkit-transition: .2s;
  transition: .2s;
  cursor: -webkit-zoom-in;
  cursor: zoom-in;
}
.box:nth-of-type(1) {
  -webkit-transform: translateZ(0px) translateX(0px);
          transform: translateZ(0px) translateX(0px);
}
.box:nth-of-type(2) {
  -webkit-transform: translateZ(-40px) translateX(-40px);
          transform: translateZ(-40px) translateX(-40px);
}
.box:nth-of-type(2) img {
  -webkit-filter: blur(1px);
          filter: blur(1px);
}
.box:nth-of-type(3) {
  -webkit-transform: translateZ(-80px) translateX(-80px);
          transform: translateZ(-80px) translateX(-80px);
}
.box:nth-of-type(3) img {
  -webkit-filter: blur(2px);
          filter: blur(2px);
}
.box:nth-of-type(4) {
  -webkit-transform: translateZ(-120px) translateX(-120px);
          transform: translateZ(-120px) translateX(-120px);
}
.box:nth-of-type(4) img {
  -webkit-filter: blur(3px);
          filter: blur(3px);
}
.box:nth-of-type(5) {
  -webkit-transform: translateZ(-160px) translateX(-160px);
          transform: translateZ(-160px) translateX(-160px);
}
.box:nth-of-type(5) img {
  -webkit-filter: blur(4px);
          filter: blur(4px);
}
.box:nth-of-type(6) {
  -webkit-transform: translateZ(-200px) translateX(-200px);
          transform: translateZ(-200px) translateX(-200px);
}
.box:nth-of-type(6) img {
  -webkit-filter: blur(5px);
          filter: blur(5px);
}
.box:nth-of-type(7) {
  -webkit-transform: translateZ(-240px) translateX(-240px);
          transform: translateZ(-240px) translateX(-240px);
}
.box:nth-of-type(7) img {
  -webkit-filter: blur(6px);
          filter: blur(6px);
}
.box:focus {
  -webkit-transform: translateZ(120px) translateZ(0px);
          transform: translateZ(120px) translateZ(0px);
  outline: none;
}
.box:focus img {
  -webkit-filter: blur(0px);
          filter: blur(0px);
}